Please help solve both

Please Help Solve Both

Answers

Answer 1

By solving the probability, the possible outcomes for 5 rolls of dice is 1048576 and the number of outcomes in which the 5 rolls produce five different numbers is 524160. Also the probability that at least 2 of the rolls are the same is 0.5314

How can one solve this probability?

Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain to occur.

(a) Since each roll can produce one of 16 possible outcomes, there are 16^5 = 1048576 possible outcomes for these 5 rolls.

(b) To count the number of outcomes in which the 5 rolls produce five different numbers, we need to use the principle of permutations. The first roll can produce any of the 16 possible outcomes, the second roll can produce any of the remaining 15 outcomes, the third roll can produce any of the remaining 14 outcomes, and so on. Therefore, the number of outcomes in which the 5 rolls produce five different numbers is:

16 x 15 x 14 x 13 x 12 = 524160

(c) To calculate the probability that at least 2 of the rolls are the same, we can use the complement rule: the probability of at least 2 rolls being the same is 1 minus the probability that all 5 rolls produce different numbers.

The probability that the first roll produces a unique number is 16/16 = 1. The probability that the second roll produces a number different from the first is 15/16, the probability that the third roll produces a number different from the first two is 14/16, and so on. Therefore, the probability that all 5 rolls produce different numbers is:

(16/16) x (15/16) x (14/16) x (13/16) x (12/16) = 0.4686

So, the probability that at least 2 of the rolls are the same is:

1 - 0.4686 = 0.5314 (rounded to 4 decimal places)

Learn more about probability here:

https://brainly.com/question/25870256

#SPJ1


Related Questions

The hypotenuse of a right triangle measures 8 cm and one of its legs measures 4 cm. Find the measure of the other leg.

Answers

Answer:

[tex]4\sqrt{3}[/tex] cm

Step-by-step explanation:

We can use the Pythagorean Theorem to answer this question. Recall that the Pythagorean Theorem is:

[tex]a^2+b^2=c^2[/tex]

where a is the length of a leg, b is the length of the other leg, and c is the length of the hypotenuse.

We are given the hypotenuse (8 cm) and one of the legs (4 cm). Substitute the values and solve for the unknown.

[tex]a^2+b^2=c^2=\\4^2+b^2=8^2=\\16+b^2=64=\\b^2=48=\\b=\sqrt{48} =\\b=\sqrt{16}*\sqrt{3} =\\ b=4\sqrt{3}[/tex]

Therefore, the measure of the other leg is equal to [tex]4\sqrt{3}[/tex] cm.


11. Jessica is focusing on wrestling this semester. What category does this sport fall into?

Answers

I’m not sure if you have options, but i would say its a high-power sport.

The Correct Answer Is:  High-strength sports.

explanation:

Because for wrestling you have to use, you're strength. (And I just did the exam and I got it wrong for choosing the wrong answer, so I believe it's my answer. !!so, it's not high-power sports)

I hope it helps you!

:)

I hate angles Please help......

Answers

Step-by-step explanation:

line n (and if it is parallel or not) has nothing to do with this solution. it is only there to confuse us.

the sum of all angles around a single point on one side of a line is 180° (because the line can act as the diameter of a circle with the point being is center, and a half-circle stands for 180°).

so,

180 = (6x - 19) + (8x + 3)

180 = 6x - 19 + 8x + 3 = 14x - 16

90 = 7x - 8

98 = 7x

x = 98/7 = 14

En el año 2018. Un electricista cobraba $10 000 por uno de sus trabajos. En la actualidad cobra $12 500 por el mismo trabajo. ¿En qué porcentaje aumentó su tarifa respecto de lo que cobraba en el año 2018?

Answers

The electrician's rate experienced a 25% increase compared to what he charged in the year 2018.

A percentage is a number or ratio expressed as a fraction of 100, used to indicate the portion of something in relation to its whole.

To find the percentage increase in the rate, we need to calculate the difference between the two rates and express it as a percentage of the original rate.

The difference between the two rates is

$12,500 - $10,000 = $2,500

To express this difference as a percentage of the original rate, we need to divide it by the original rate and then multiply by 100:

($2,500 / $10,000) x 100% = 25%

Learn more about percentage here

brainly.com/question/11639405

#SPJ4

in a study of the treatment of congestive heart failure (chf), a new surgical procedure was compared to the standard surgical procedure. the study enrolled 550 people with chf and randomly assigned half to receive the new procedure and half to receive the standard procedure. among those that received the new procedure, 98 died within 5 years. among those that received the standard procedure, 190 died within 5 years. what is the result for the appropriate measure to describe the strength of the association between surgical procedure and death?

Answers

The result for the appropriate measure, relative risk, is approximately 0.515.

This indicates that the risk of death within 5 years is about 51.5% lower in the new procedure group compared to the standard procedure group.

This suggests a strong association between the surgical procedure and the reduction in the risk of death.

To determine the strength of the association between the surgical procedures and death, we can calculate the relative risk.
Identify the numbers given in the question.
- Total participants: 550
- New procedure group: 275 (half of 550)
- Deaths in new procedure group: 98
- Standard procedure group: 275 (half of 550)
- Deaths in standard procedure group: 190
Calculate the death rate (proportion of deaths) in each group.
- Death rate in new procedure group = (Number of deaths in new procedure group) / (Total in new procedure group) = 98/275 ≈ 0.356
- Death rate in standard procedure group = (Number of deaths in standard procedure group) / (Total in standard procedure group) = 190/275 ≈ 0.691
Calculate the relative risk.
- Relative risk = (Death rate in new procedure group) / (Death rate in standard procedure group) = 0.356/0.691 ≈ 0.515.

For similar question on standard.

https://brainly.com/question/187506

#SPJ11

could you help me get the y intercept too

Answers

The slope =2 and y-intercept = -3.

What is slope?

Calculated using the slope of a line formula, the ratio of "vertical change" to "horizontal change" between two different locations on a line is determined. The difference between the line's y and x coordinate changes is known as the slope of the line.Any two distinct places along the line can be used to determine the slope of any line.

Here let us take two points [tex](x_1,y_1)=(1.5,0) , (x_2,y_2)=(0,3)[/tex] .

Now using slope formula then,

Slope m = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

=> m = [tex]\frac{3-0}{0-1.5} = \frac{3}{-1.5}=2[/tex]

Now using equation formula then,

=> [tex]y-y_1=m(x-x_1)[/tex]

=> y-0=2(x-1.5)

=> y = 2x-3

Here y=mx+b, where b= y-intercept.

Hence slope =2 and y-intercept = -3.

To learn more about slope refer the below link

https://brainly.com/question/16949303

#SPJ1

Interpret the probability. In 100 trials of this experiment, it is expected about (Round to the nearest whole number as needed.) to result in exactly 15 flights being on time

Answers

Hence, it is expected that 14 flights will arrive on time out of the 100 trials of this experiment.

What is the probability?

The probability of an occurrence is a number used in mathematics to describe how likely it is that the event will take place. In terms of percentage notation, between 0% and 100% it is expressed as a number between 0 and 1, or . The higher the likelihood, the more likely it is that the event will take place.

What is the trials?

 when we refer to an experiment or trial, we mean a random experiment. When difference  between a trial and an experiment, think of the experiment as a larger entity created by the fusion of several trials.

Unless otherwise stated,A trial is any specific outcome of a random experiment. In other words, a trial of the experiment is what we call when we conduct an experiment.

according to question, the number of on-time flights in 100 trials as a binomial random variable with parameters n = 100 (the number of trials) and p (the chance of success, i.e., a flight being on time), presuming that the probability of a flight being on time is the same in all trials.

The expected number of on-time flights in 100 trials is E(X) = np if the same of a flight being on time is p. Given that E(X) = 15, we determine p ,

E(X) = n p = 15 n = 100

p = [tex]\frac{E(X)}{n} = \frac{15}{100}[/tex] = 0.15

Therefore, it is probability that 0.15 %of flights will arrive on time.

To determine the expected  number of trials from a total of 100

Using the probability mass function of the binomial distribution, we can get the expected probability of trials out of 100 that result in precisely 15 flights departing on time:

[tex]P(X = 15)=(100 choose 15) * 0.15^{15} * 0.85^{85}[/tex]

We can calculate this 0.144 get  using a calculator.

therefore it is expected that 14 flights will arrive on time out of the 100 trials of this experiment. It should be noted that while this is an expected value, random fluctuation may cause the actual number of on-time flights in each trial to deviate somewhat from this figure.

Learn more about Probability here:

https://brainly.com/question/13604758

#SPJ1

What is the value of x? Only enter numerical values. ​

Answers

In the given cirlce, the value of x is 15

Angles in a circle: Calculating the value of x

From the question, we are to determine the value of x in the given diagram

From the given information,

We have a circle and we are given the angles subtended by the arcs at the center of the circle.

We know that the sum of angles in a circle is 360°.

Then,

We can write that

(8x - 10)° + (6x)° + (10x + 10)°  = 360°

Solving for x

8x - 10 + 6x + 10x + 10  = 360

Collect like terms

8x + 6x + 10x - 10 + 10 = 360

24x = 360

Divide both sides by 24

24x / 24 = 360 / 24

x = 15

Hence, the value of x is 15

Learn more on Angles in a circle here: https://brainly.com/question/17074363

#SPJ1

The box plot shown represents the amount of donations received for a Lacrosse Team Fundraiser.

A box plot using a number line from 6 to 52 with tick marks every one unit. The box extends from 15 to 35 on the number line. A line in the box is at 23.5. The lines outside the box end at 12 and 50. The graph is titled Lacrosse Team Fundraiser, and the line is labeled Donations in Dollars.

What is the range and IQR of the data displayed?

The range is 38, and the IQR is 20.
The range is 38, and the IQR is 21.
The range is 37, and the IQR is 21.
The range is 37, and the IQR is 20.

Answers

The range is the difference between the maximum and minimum values in the data set. From the box plot, the minimum value is 12 and the maximum value is 50, so the range is:

range = maximum value - minimum value = 50 - 12 = 38

The IQR (interquartile range) is the difference between the third quartile (Q3) and the first quartile (Q1) of the data set. From the box plot, the lower quartile (Q1) is at 15, the upper quartile (Q3) is at 35, so the IQR is:

IQR = Q3 - Q1 = 35 - 15 = 20

Therefore, the range is 38 and the IQR is 20, and the answer is: The range is 38, and the IQR is 20.

if a cartesian join is used to link table a which contains two rows to table b which contains eight rows, there will be sixteen rows in the results.T/F

Answers

True. A cartesian join, also known as a cross join, returns all possible combinations of rows between two tables. In this scenario, since table a contains two rows and table b contains eight rows, there will be 2 x 8 = 16 possible combinations or rows in the result set.


When a Cartesian join is used to link two tables, it creates a combination of all possible rows between the two tables. In this case, table A has 2 rows and table B has 8 rows. To calculate the number of rows in the result, you simply multiply the number of rows in each table:

2 rows (table A) x 8 rows (table B) = 16 rows

So, when a Cartesian join is used to link table A with 2 rows to table B with 8 rows, there will be 16 rows in the result.

To learn more about cartesian join : brainly.com/question/31201318

#SPJ11

The statement "if a cartesian join is used to link table a which contains two rows to table b which contains eight rows, there will be sixteen rows in the results" is a true statement.

What is a Cartesian join?

A Cartesian join, also known as a cross join or a cross product, generates a result set that combines every row from the first table with every row from the second table, with no requirements or limits.

If table A has two rows and table B has eight rows, a Cartesian join between the two tables will yield a result set with 16 rows (the product of the number of rows in each table).

So the statement "if a Cartesian join is used to link table A with two rows to table B with eight rows, the results will have sixteen rows" is valid.

Learn more about Cartesian join:

https://brainly.com/question/30340085

#SPJ4

A rug is 1/2 yard by 2 5/6 yards.

Keith solves 1/2 times 2 5/6 to find the area of the rug in square yards.


Enter numbers to complete Keith's calculation for the area of the rug

Answers

The area of the rugs in square yards with given dimensions 1/2 yard by 2 5/6 yards is equal to  1 5 /12 square yards.

Dimensions of the rug are,

1/2 yard by 2 5/6 yards

Area of the rug in square yards solved by Keith is equal to

=  1/2 times 2 5/6

= ( 1/ 2 ) × (  2 5/6 )

Convert mixed fraction into proper fraction we get,

2 5/6 = ( 6 × 2 + 5 ) / 6

⇒ 2 5/6 = 17 / 6

⇒ Area of the rug in square yards solved by Keith = ( 1 / 2 ) × ( 17 / 6 )

⇒ Area of the rug in square yards solved by Keith = ( 17 / 12 )

⇒ Area of the rug in square yards solved by Keith = 1 5 /12 square yards.

Therefore, the area of the rugs is equal to 1 5 /12 square yards.

Learn more about area here

brainly.com/question/29068783

#SPJ4

Consider the following systems of linear inequalities. x +2y ≥ 10 and 3x -4y > 12 .Consider the following systems of linear inequalities. Which of the following ordered pairs are solutions to the system? Which of the following ordered pairs are solutions to the system?

Answers

The only solution to the system of linear inequalities is (3,2).

Describe inequality?

Inequality in mathematics is a mathematical statement that two values are not equal. It is usually represented by an inequality sign, such as > or <. Inequality can refer to both numerical and geometric relationships. It is an important concept in all areas of mathematics, from algebra and geometry to calculus and beyond. Inequality can also be used to describe the relationship between two variables, such as the size of an object and its weight.

A. (3, 2)
B. (2, 4)
C. (5, 1)

The ordered pair (3,2) is the only solution to the system of linear inequalities. To check this, we can substitute the values of x and y into the equations. For (3,2), when x = 3 and y = 2, we have x + 2y = 7 and 3x - 4y = 4. As both of these equations are less than the given inequalities, (3,2) is a valid solution. For (2,4), when x = 2 and y = 4, we have x + 2y = 10 and 3x - 4y = -4. The first equation is equal to the given inequality,

while the second equation is less than the given inequality, so the ordered pair (2,4) is not a valid solution. Similarly, for (5,1), when x = 5 and y = 1, we have x + 2y = 7 and 3x - 4y = 11. Again, the first equation is less than the given inequality and the second equation is equal to the given inequality, so (5,1) is not a valid solution. Therefore, the only solution to the system of linear inequalities is (3,2).

To know more about inequality click-
https://brainly.com/question/24372553
#SPJ1

stores l and m each sell a certain product at a different regular price. if both stores discount their regular price of the product, is the discount price at store m less than the discount price at store l ?

Answers

The discount price at each store will depend on the regular price and the amount of the discount offered, and it is not possible to determine which store will have the lower discount price without knowing these factors.

Elaborate more your answer indetail?

It is not necessarily true that the discount price at store M will be less than the discount price at store L. The relative discount prices will depend on the amount of the discount applied by each store.

For example, let's say that the regular price of the product at store L is $100 and the regular price at store M is $120. If store L offers a 20% discount, the discount price would be $80.

If store M offers a 15% discount, the discount price would be $102. Therefore, in this case, the discount price at store L is less than the discount price at store M.

On the other hand, if store L offers only a 10% discount, the discount price would be $90. In this case, the discount price at store M would be less than the discount price at store L.

Learn more about discount price.

brainly.com/question/11993645

#SPJ11

Please help with this one :

Answers

Answer:

C. 40%

Step-by-step explanation:

There are 425 guests in all. Of these 425 guests, 170 called for room service.

170/425 = 34/85 = 2/5 = 40%

1. Julia wants to buy a parcel of land in Montana so that she can raise bison. If the minimum down
payment on the land is $25,000, find the amount she must invest now at 8%, compounded quarterly,
to have her down payment in 4 years. Use the table of values below.

$16,542.98
$17,230.91
$19.235.12
O$18.211.25

Answers

Julia needs to invest $4,901.43 every quarter for 4 years to have a down payment of $25,000. Checking the table of values, we see that the closest answer is $4,542.98, so that is the amount she needs to invest.

How did we get this value?

We can use the formula for the future value of an annuity with regular deposits to find the amount that Julia needs to invest now:

FV = P * ((1 + r/n)^(n*t) - 1) / (r/n)

where:

P = quarterly deposit

r = annual interest rate = 8%

n = number of compounding periods per year = 4 (quarterly)

t = number of years = 4

FV = future value of the annuity (i.e. the down payment)

We want to solve for P, which is the amount Julia needs to invest each quarter. Rearranging the formula, we get:

P = FV * (r/n) / ((1 + r/n)^(n*t) - 1)

Substituting the given values, we get:

P = 25,000 * (0.08/4) / ((1 + 0.08/4)^(4*4) - 1)

P ≈ $4,901.43

So Julia needs to invest $4,901.43 every quarter for 4 years to have a down payment of $25,000. Checking the table of values, we see that the closest answer is $4,542.98, so that is the amount she needs to invest.

learn more about invest: https://brainly.com/question/25300925

#SPJ1

Find the measures of angle and B. Round to the nearest degree.

Answers

The measure of angle A and angle B are 30° and 60° respectively.

What is the measure of angle A and angle B?

The figure in the image is a right-triangle.

To find the measure of angle A and angle B, we use the trigonometric ratio.

Solving for the measure of angle A:

sinθ = opposite / hypotenuse

opposite of angle A = 8

hypotenuse = 16

Plug in the values

sinθ = 8/16

sinθ = 1/2

θ = sin⁻¹( 1/2 )

θ = 30°

Solving for angle B

cosB = adjacent / Hypotenuse

adjeacent of angle B = 8

Hypotenuse = 16

Plug in the given values

cosB = 8/16

cosB = 1/2

B = cos⁻¹( 1/2 )

B = 60°

Therefore angle A is 30 degrees and angle B is 60 degree.

Learn more about trigonometric ratio here: brainly.com/question/28016662

#SPJ1

What is 219.8 rounded as indicated

Answers

Answer:

8 is closer to 10, so 219.8 rounded is 220.

The figure shown is created by joining two rectangles..
3 ft
10 ft
3 ft
3. ft
Enter the area of the figure, in square feet. Need help please

Answers

The area of the figure is 39ft²

What is area of a rectangle?

The area of a shape is the space occupied by the boundary of a plane figures like circles, rectangles, and triangles.

Area of a rectangle is expressed as ;

A = l × w

where l is the length and w is the width.

Dividing the shape into two;

The area of shape 1 = l× w

= 3× 7 = 21ft²

The area of shape 2 = l× w

= 6 × 3 = 18 ft²

therefore the total area = 21+18 = 39 ft²

therefore the area of the figure is 39ft²

learn more about area of rectangle from

https://brainly.com/question/2607596

#SPJ1

Only write the number.

Find VZ

Answers

Answer:

VZ = 72

XW = 48VW = 24YZ = 36VZ = ?

FINDING VZ:

XW / VW = VZ / YZ

48 / 24 = VZ / 36

*Simplify:

48 / 24 = VZ / 362 = VZ / 36

*Multiply both sides by 36:

2 × 36 = VZ / 36  × 3672 = VZ

I don't know how's that even possible, but I did the same formula and solutions the pictures below show.

URGENT PLEASE HELP ME I NEED TO PASS!!! I WILL GIVE SOMEONE BRAINLIEST!
What is the slope of the line passing through the points (1, 2) and (5, 4)?
A: -2
B: 1/2
C: 1
D: 2

Answers

Answer:B 1/2

Step-by-step explanation:

We can use the slope formula to find the slope of the line passing through the two points:

slope = (y2 - y1) / (x2 - x1)

Plugging in the coordinates, we get:

slope = (4 - 2) / (5 - 1)

slope = 2 / 4

slope = 1/2

Therefore, the slope of the line passing through the points (1, 2) and (5, 4) is B: 1/2.

Miss Elder directs her class to find the area of the
Z in the sign for the City Zoo. A replica of the Z
is shown in the diagram. The work of two of
Miss Elder’s students is shown. Which student,
if either, is correct? Explain.

Answers

Both methods are valid and result in the same answer.

What is congruence in maths?

In mathematics, the term "congruent" refers to figures and shapes that can be flipped or rearranged to match up with other ones. These forms can be mirrored to produce related shapes.

If two shapes are similar in size and shape, they are congruent. We can also state that if two shapes are congruent, then their mirror images are identical.

Both students are correct.

Student A divides the Z into 4 congruent right triangles and 2 rectangles. The area of the right triangles is found by multiplying the base and height and dividing by 2, while the area of the rectangles is found by multiplying the length and width. Adding the areas of all the shapes together, the total area of the Z is 32 square units.

Student B divides the Z into 3 congruent right triangles and 3 rectangles. The area of the right triangles is found by multiplying the base and height and dividing by 2, while the area of the rectangles is found by multiplying the length and width. Adding the areas of all the shapes together, the total area of the Z is also 32 square units.

Both methods are valid and result in the same answer.

Learn more about congruence on:

https://brainly.com/question/11496162

#SPJ1

lee had scored the following points in his first 8 games 12,14,14,15,8,10,3,15 enter the number of points lee needs to score in the nest game to increase his keam score to 13 points

Answers

Lee needs to score a total of 26 points in the next game to increase his mean score to 13 points.

Calculating the score in the next game

Given that

Scores = 12,14,14,15,8,10,3,15

To increase his mean score to 13 points,

Lee needs to have a total of 13 x 9 = 117 points after the next game.

He has already scored a total of 12+14+14+15+8+10+3+15 = 91 points in the first 8 games.

Therefore, Lee needs to score a total of 117 - 91 = 26 points in the next game to increase his mean score to 13 points.

Read more about mean at

https://brainly.com/question/14532771

#SPJ1

If the area of an equilatral is 81 to the root of 3 cm squarefind the perimeter of the triangle

Answers

The perimeter of the equilateral triangle with an area of 81√3 cm² is 54 cm.

An equilateral triangle is a type of triangle in which all three sides are equal in length, and all three angles are equal to 60 degrees.

Let's denote the side length of the equilateral triangle by "a".

The formula for the area of an equilateral triangle is

Area = (√3/4) × a^2

We are given that the area is 81√3 cm², so we can set up the equation

81√3 = (√3/4) × a^2

Solving for "a", we get:

a = 18 cm

Now that we know the side length, we can find the perimeter by multiplying it by 3 (since it's an equilateral triangle):

Perimeter = 3a = 3 × 18 cm = 54 cm

Learn more about equilateral triangle here

brainly.com/question/17556213

#SPJ4

a right triangle has a hypotenuse 2.9 feet long and one of its sides is 2.2 feet long. how long is the other side?

Answers

The length of the other side of the right triangle is approximately 1.89 feet.

The length of the other side of the right triangle can be found using the Pythagorean theorem, which states that the square of the hypotenuse is equal to the sum of the squares of the other two sides. Therefore, we have:

(Length of other side)² = (Hypotenuse)² - (Length of given side)²

(Length of other side)² = (2.9)² - (2.2)²

(Length of other side)² = 8.41 - 4.84

(Length of other side)² = 3.57

Taking the square root of both sides, we get:

Length of other side = sqrt(3.57) ≈ 1.89 feet

Therefore, the length of the other side of the right triangle is approximately 1.89 feet.

Learn more about the hypotenuse

https://brainly.com/question/2217700

#SPJ4

A mathematician reported the results from a particular experiment to the researcher who conducted it. The report states that on one specific part of the experiment, a statistical test result yielded a p-value of 0. 21. Based on this p-value, what should the researcher conclude?


The test was not statistically significant because 2 × 0. 21 = 0. 42, which is less than 0. 5.

The test was statistically significant because a p-value of 0. 21 is greater than a significance level of 0. 5.

The test was not statistically significant because if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 79% of the time.

The test was not statistically significant because if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 21% of the time.

The test was statistically significant because p = 1 − 0. 21 = 0. 79, which is greater than a significance level of 0. 5

Answers

Based on the p-value of 0.21,  the researcher should conclude that option (D) The test was not statistically significant because if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 21% of the time.

A p-value of 0.21 means that if the null hypothesis (the hypothesis that there is no significant difference between groups or no significant relationship between variables) is true, there is a 21% chance of obtaining a test statistic as extreme as the one observed or more extreme.

In general, a p-value of 0.05 or less is considered statistically significant, which means that the probability of obtaining a test statistic as extreme as the one observed or more extreme is less than 5% if the null hypothesis is true. In this case, since the p-value is greater than 0.05, the null hypothesis cannot be rejected and the result is not statistically significant.

Option A is incorrect because multiplying the p-value by 2 assumes a two-tailed test, which may not be the case. Option B is incorrect because a significance level of 0.5 is not commonly used in hypothesis testing.

Option C is incorrect because the statement that "if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 79% of the time" is not based on the p-value. Option E is incorrect because subtracting the p-value from 1 assumes a one-tailed test, which may not be the case.

Therefore, the correct option is (D) The test was not statistically significant because if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 21% of the time.

Learn more about p-value here

brainly.com/question/30461126

#SPJ4

The given question is incomplete, the complete question is:

A mathematician reported the results from a particular experiment to the researcher who conducted it. The report states that on one specific part of the experiment, a statistical test result yielded a p-value of 0. 21. Based on this p-value, what should the researcher conclude?

A) The test was not statistically significant because 2 × 0. 21 = 0. 42, which is less than 0. 5.

B) The test was statistically significant because a p-value of 0. 21 is greater than a significance level of 0. 5.

C) The test was not statistically significant because if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 79% of the time.

D) The test was not statistically significant because if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 21% of the time.

E) The test was statistically significant because p = 1 − 0. 21 = 0. 79, which is greater than a significance level of 0. 5

STRUCTURE The ratio of circumference to diameter is the same for every circle. Is the ratio of circumference to radius the same for every circle? Make sure to explain!

Answers

No, the ratio of circumference to radius is not the same for every circle.

What is ratio?

Ratio refers to the quantitative relation between two or more values, typically expressed in the form of a fraction or a proportion.

According to given information:

No, the ratio of circumference to radius is not the same for every circle. The ratio of circumference to diameter, also known as pi (π), is a constant value that remains the same for every circle. It is approximately equal to 3.14 or 22/7. However, the ratio of circumference to radius varies depending on the size of the circle.

The formula for circumference of a circle is C=2πr, where C is the circumference and r is the radius. Therefore, the ratio of circumference to radius is C/r = 2π. This means that for circles of different sizes, the ratio of circumference to radius will differ since the value of pi remains the same while the radius changes.

For example, if we consider two circles, one with a radius of 2 cm and the other with a radius of 4 cm, the ratio of circumference to radius for the first circle will be 2π (since C = 2πr = 2π x 2 = 4π) and for the second circle, it will be 2π (since C = 2πr = 2π x 4 = 8π). Thus, the ratio of circumference to radius is not the same for every circle.

To know more about ratio visit:

https://brainly.com/question/12024093

#SPJ1

Multiply 13. 5 x 12. 1 using a regrouping strategy. Explain your answer and each step that you take

Answers

The product of 13.5 and 12.1 using a regrouping strategy is 163.35.

To begin with, we can start by breaking down each number into its place value components, which are the ones, tenths, and hundredths places. We can represent 13.5 as 13 + 0.5 and 12.1 as 12 + 0.1.

So, we can rewrite 13.5 as (10 + 3) + 0.5 and 12.1 as (10 + 2) + 0.1. Now, we can use the distributive property of multiplication to multiply 13.5 by 12.1 as follows:

13.5 x 12.1 = (10 + 3 + 0.5) x (10 + 2 + 0.1)

= 10 x 10 + 10 x 2 + 10 x 0.1

+ 3 x 10 + 3 x 2 + 3 x 0.1

+ 0.5 x 10 + 0.5 x 2 + 0.5 x 0.1

Next, we can simplify each of these products by multiplying the numbers in the ones and tenths places separately, and then adding the results. For example, 10 x 10 = 100, 10 x 2 = 20, 10 x 0.1 = 1, 3 x 10 = 30, and so on.

So, continuing from the previous step, we get:

13.5 x 12.1 = 100 + 20 + 1

+ 30 + 6 + 0.3

+ 5 + 1 + 0.05

Finally, we can add up all these products to get the final answer:

13.5 x 12.1 = 163.35

To know more about multiplication here

https://brainly.com/question/5992872

#SPJ4

Questions 1

Questions 2

A.>

B.<

C.=

Questions 3

Questions 4

Questions 5

A.>

B.<

C.=

Answers

The sum of 5/6 and 2/9 is: C. 1 1/18.

The sum of 1/2 and 2/3 is 7/6.

The fraction of the boys that have either blue or hazel eyes is: B. 1/2.

The sum of 7/10 and 1/4 is: D. 19/20.

The sum of 3/5 and 1/5 is 11/10.

What is a fraction?

In Mathematics and Geometry, a fraction simply refers to a numerical quantity (numeral) which is not expressed as a whole number. This ultimately implies that, a fraction is simply a part of a whole number.

Based on the information provided above, each of the sums can be calculated as follows;

Fraction = 5/6 + 2/9

Fraction = (15 + 4)/18

Fraction = 19/18 = 1 1/18.

Fraction = 1/2 + 2/3

Fraction = (3 + 4)/6

Fraction = 7/6

Fraction = 1/5 + 3/10

Fraction = (2 + 3)/10

Fraction = 1/2

Fraction = 1/4 + 7/10

Fraction = (5 + 14)/20

Fraction = 19/20

Fraction = 3/5 + 1/2

Fraction = (6 + 5)/10

Fraction = 11/10

Read more on fraction here: brainly.com/question/29367657

#SPJ1

Ralph has 3/4 gallons of paint. He wants to store all of the paint equally among 5 containers. How much paint, in gallons, will Ralph store in each container?

Answers

Ralph will store 3/20 gallons of paint in each container.

Explain gallons

Gallons are a unit of measurement commonly used for liquids, especially in the United States. One gallon is equal to 128 fluid ounces or approximately 3.785 liters. It is used to measure the volume of liquids such as gasoline, milk, and water, and is often used in cooking, construction, and manufacturing industries.

According to the given information

To divide 3/4 gallons of paint equally among 5 containers, we need to perform the division (3/4)/5:

(3/4)/5 = 3/4 × 1/5 = 3/20

Therefore, Ralph will store 3/20 gallons of paint in each container.

To know more about gallons visit

brainly.com/question/19638640

#SPJ1

Answer:

Step-by-step explanation

To find the answer you would have to divide 3/4 gallons of paint equally among 5 containers, we need to perform the division (3/4)/5:

(3/4)/5 = 3/4 × 1/5 = 3/20

Ralph will store 3/20 gallons of paint in each container.

in general, if sample data are such that the null hypothesis is rejected at the a 5 1% level of significance based on a two-tailed test, is h0 also rejected at the a 5 1% level of significance for a corresponding onetailed test? explain.

Answers

The directionality of the alternative hypothesis and the support offered by the sample data determine whether the null hypothesis is likewise rejected at the 5% level of significance for a related one-tailed test.

When the two-tailed test rejects the null hypothesis, it means that the sample data, regardless of how we look at it, support the null hypothesis.. A one-tailed test, however, simply considers the evidence in one way. As a result, the null hypothesis should be used if the sample data only show evidence that the alternative hypothesis is true in one direction (for example, greater than).

To know more about Null hypothesis, visit,

https://brainly.com/question/4436370

#SPJ4

Other Questions
some s are p. (aristotelian standpoint) Which answers are results of Russian intervention in Ukraine?Select all that applyA. devastated infrastructureB. a president appointed by RussiaC. high civilian death tollD. violations against LGBT groups if policymakers are concerned about inflation, which countercylical fiscal policy would be appropriate to address this concern? an auditor makes inquiries of an entity's customers and discovers the customers received large quantities of unordered products just before year-end. this is an indicator of Determine the rate of return on an investment today of $10,606, which promises you $2,000 per year at the end of each of the next 10 years. A survey was conducted one month ago to review the calories of lunch boxes provided by the supplier "BetterLunch". In a sample with 300 lunch boxes, there were 273 lunch boxes with calories below 650 and the other27 lunch boxes with calories above 650. Besides, the mean calories was 550 and standard deviation was 40.(a) Find the point estimate of the population proportion of lunch boxes provided by "Better Lunch" hadcalories above 650.(b) Calculate the sampling error at 98% confidence level for the estimate of the population proportion oflunch boxes provided by "Better Lunch" had calories above 650.(c) Construct a 98% confidence interval estimate of the population proportion of lunch boxes provided by"Better Lunch" had calories above 650.(d) "Better Lunch" follows government's suggestions to change the menu in order to reduce the lunch boxes'calories. Suppose after the menu update, each lunch box's calories can be reduced by 4%. Find thesample mean and sample standard deviation of calories of the above sample after the change. Hence,construct a 90% confidence interval estimate of the population mean calories in a lunch box after thechange. Please help me with this homework The number is less than 5,000. The number is even. The digit in the ten's place is twice the digit in the thousand's place. The digits in the thousand's, hundred's, and ten's place are even. The digit in the hundred's place is the number of sides on a hexagon. The digit in the ten's place is the number of quarters in two dollars. The digit in the one's place is the identity element for addition. The number is divisible by 10 and nine. Pluto Corporation is considering an investment that will cost $210,000 and last for three years. The investment will be amortized on a straight-line basis over that period. Earnings generated by the investment before amortization and taxes over this period are as follows: Year 1 110,000 Year 2 120,000 Year 3 150,000 Pluto Corporation has a tax rate of 25 percent. What is the AAR of this project? a well- written buffer can a. divert attention from the problem. b. trivialize the reader's concerns. c. flatter the reader. d. indicate your understanding of the reader's needs. e. mislead the reader into thinking your message actually contains good news. within the skeletal anatomy, what supplies the effort? how do you begin filling out smartlists in a note? 5 cmFind Surface Area. Rectangles use Aslw or Anbh. Triangles use A=1/ibb.8 cmcm6 cm2 cm148 canA=12.m12 cm10 cmCFirst Part A portfolio manager holds a $80 million all-equity portfolio with an estimated beta of 1.20. She decides to use four-month S&P 500 futures contracts to reduce exposure to systematic risk over the next three months. Each futures contract is for the delivery of $250 times the index. The current level of the S&P 500 index is 4370 and it has an estimated dividend yield of 2.2% per annum. The current risk-free interest rate is 1% per annum. The current quoted futures price is 4376.(a) What is the number of futures contracts required to decrease the beta of the overall position to 0.50 over the next three months? (b) Is a long or a short position in the futures required? After three months the S&P 500 index has fallen to 3,762, the new futures price is 3,783, and the portfolio manager decides to close out the futures position.(c) What is the dollar amount gained/lost on the futures trade? (d) Given the change in the index value, what is the value of the managers hedged position over the three-month period? (You should assume that the dividend yield on the index and the risk-free rate are expressed as annual rates of interest in your calculations; similar to what we did in the lecture and tutorial examples). (e) What is the expected return of the hedged position? (express answer as a numeral with three decimal places, e.g. -0.053) janet van dyne is in law enforcement and incurred the following transactions last year.sales price purchase price date purchased date soldcisco preferred stock 25,000 6,000 7/15/2012 1/12/2022dreyer's grand ice cream stock 14,000 10,000 7/1/2020 4/20/2022novell common stock 2,000 10,000 2/12/2017 11/29/2022 stock 4,000 3,000 8/2/2008 5/2/2022abc common 6,000 9,000 8/10/2022 8/20/2022abc common 8,000 12/30/2022prior-year st capital loss carryforward (5,500)prior year lt capital loss carryforward (5,000)what is the 2022 end of year overall capital position? be sure to include character and amount. show your work in order toreceive credit (5pts in organizational culture, what does people focus refer to? NEED HELP NOWCharlene sold 15 magazine subscriptions for the school fundraiser. Mark sold 17 subscriptions and paul sold 12.How many magazine subscriptions did they sell in all Please help me this is due today Carraway Seed Company is issuing a1000 $ par value bond that pays 6 percent annual interest and matures in 13 years. Investors are willing to pay 960$ for the bond. Flotation costs will be 12 percent of market value. The company is in a 38 percent tax bracket. What will be the firm's after-tax cost of debt on the bond? a 1200 kg car is traveling at 25 m/s into the rear of a stopped truck that has a mass of 2500 kg and they stick together. what is the speed of the cars after the collision ?