I need help with these problems

I Need Help With These Problems
I Need Help With These Problems

Answers

Answer 1

Answer:

Step-by-step explanation:

a=70

b=45

c=65

e=70

c=65

f=110

d=45

c=130

d=50

b=50

a=65

x=36   I can't see the number in the triangle so i can't finish this one

a=50

b=60


Related Questions

for the standard normal curve, find the z-score that corresponds to the 7th decile.

Answers

Using the Z-table, you can find the z-score that corresponds to a cumulative probability of 0.70, which is approximately 0.52. So, the z-score for the 7th decile on the standard normal curve is 0.52.

To find the z-score that corresponds to the 7th decile of the standard normal curve, we first need to determine the cumulative probability up to that point.

The 7th decile represents the point where 70% of the data lies below it and 30% lies above it. Using a standard normal distribution table or calculator, we can find the z-score that corresponds to a cumulative probability of 0.70.

The z-score that corresponds to a cumulative probability of 0.70 is approximately 0.524. Therefore, the z-score that corresponds to the 7th decile of the standard normal curve is 0.524.

To find the z-score corresponding to the 7th decile on the standard normal curve, you'll need to use the cumulative probability distribution function (also known as the Z-table or standard normal table). The 7th decile represents the point where 70% of the data is below it, so you'll be looking for a cumulative probability of 0.70.

Using the Z-table, you can find the z-score that corresponds to a cumulative probability of 0.70, which is approximately 0.52. So, the z-score for the 7th decile on the standard normal curve is 0.52.

Visit here to learn more about probability  : https://brainly.com/question/11234923
#SPJ11

There are 12 players on a new softball team before the team starts playing games 13 must pay a total registration fee of $572 along with them registration fee the Team will also need to spend a total of $1,240 on equipment to pay for the cost of the registration fee and the equipment the players held a car wash and raised $786 they then decided to sell candles for $9.50 per candle to cover the remaining costs if each player sell the same number of candles how many candles must each player sell

Answers

Answer:

The total cost of registration fee and equipment is $572 + $1,240 = $1,812.

After raising $786 from the car wash, the team still needs to raise $1,812 - $786 = $1,026 from selling candles.

To find out how many candles each player must sell, we need to divide the total amount needed by the number of players:

$1,026 ÷ 12 = $85.50

So each player needs to sell candles for a total of $85.50.

To find out how many candles that is, we need to divide the total amount by the price per candle:

$85.50 ÷ $9.50 = 9

Therefore, each player needs to sell 9 candles to cover the remaining costs.

Which of the following are measures of central tendency of the first psychology exam in a semester?
►The average score on the exam was an 85.
►The median score on the exam was an 80.►The correlation coefficient was +0.85.
►The most frequently occurring exam score was an 82.
►The scores varied from 95 to 65.
►The standard deviation was 5.

Answers

The measures of central tendency of the first psychology exam in a semester are the average score, which was an 85.

The correlation coefficient and the range of scores from 95 to 65 are not measures of central tendency either.

The standard deviation is a measure of variability, not central tendency, that the measures of central tendency of the first psychology exam are the average and median scores. This states that the mode, correlation coefficient, range of scores, and standard deviation are not measures of central tendency.

Hence, the measures of central tendency for the first psychology exam in a semester are the average score (85) and the median score (80).

learn more about central tendency click here:

https://brainly.com/question/1288901

#SPJ11

Final answer:

The measures of central tendency for the psychology exam scores include the average, median, and mode.

Explanation:

The measures of central tendency of the first psychology exam in a semester include the average score, median score, and mode (most frequently occurring score).

The average score on the exam was 85, which represents the mean of all the scores.

The median score on the exam was 80, which represents the middle value when all the scores are arranged in order.

The most frequently occurring score was 82, which represents the mode of the scores.

Learn more about measures of central tendency here:

https://brainly.com/question/33581018

#SPJ12

according to the federal trade commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft. this year, a certain state kept track of how many of its 1245 complaints were for identity theft. they want to know if the data provide enough evidence to show that this state had a higher proportion of identity theft than 23%? state the random variable, population parameter, and hypotheses.

Answers

The proportion of identity theft complaints in the state is significantly higher than 23%.

The random variable for this scenario is the proportion of identity theft complaints out of the total number of complaints received by the state. The population parameter is the true proportion of identity theft complaints in the entire population of complaints in the state.

The null hypothesis (H0) is that the proportion of identity theft complaints in the state is equal to or less than 23%. The alternative hypothesis (Ha) is that the proportion of identity theft complaints in the state is greater than 23%.

To test this hypothesis, the state needs to conduct a one-tailed hypothesis test with a significance level (alpha) of 0.05. They can use the z-test statistic to compare the sample proportion with the population proportion. If the test statistic is greater than the critical value, they can reject the null hypothesis.

It is important to note that this test assumes that the sample of 1245 complaints is randomly selected and representative of the entire population of complaints in the state. If there is any bias or non-representativeness in the sample, the results of the test may not be accurate.

Learn more about hypothesis here:

https://brainly.com/question/29519577

#SPJ4

You just bought a car in 2023 for $27,000. The car depreciates at a rate of 17% each year. A. Function: __________
b. If you want to sell the car before it depreciates to half the cost of what you bought it for, in how many years will you need to sell the car?
c. How much will the car cost in 9 years?

Answers

The function is C(t) = 27000 * [tex](1-0.17)^{t}[/tex]. Car should be sold after 6.3 years. The car will be worth about $7,260 after 9 years of depreciation.

a) Let C(t) be the value of the car t years after 2023. Since the car depreciates at a rate of 17% per year, its value decreases by 0.17 times its previous value each year. Therefore, we can express C(t) as:

C(t) = 27000 *  [tex](1-0.17)^{t}[/tex]

b) We want to find the number of years it takes for the value of the car to reach half its original value of $27,000. In other words, we want to solve the equation:

C(t) = 27000/2

Substituting the expression for C(t) from part a, we get:

27000 *  [tex](1-0.17)^{t}[/tex] = 13500

Simplifying this equation, we get:

[tex]0.83^{t}[/tex] = 0.5

t * log(0.83) = log(0.5)

t = log(0.5) / log(0.83)

Using a calculator, we find that t is approximately 6.3 years. Therefore, you will need to sell the car after about 6.3 years.

c) We can use the expression for C(t) from part a to find the value of the car after 9 years:

C(9) = 27000 *  [tex](1-0.17)^{9}[/tex]

Using a calculator, we find that C(9) is approximately $7,260. Therefore, the car will be worth about $7,260 after 9 years of depreciation.

To learn more about function here:

https://brainly.com/question/12431044

#SPJ4

In a large high school, 37% of the teachers believe that five minutes is not enough time for students to change classes. However, 89% of the students believe that five minutes is not enough time for students to change classes. Let p hat Subscript Upper F and p hat Subscript Upper S be the sample proportions of teachers and students, respectively, who believe that five minutes is not enough time for students to change classes. Suppose 28 teachers and 100 students are selected at random and asked their opinion on the amount of time students have to change class.

Which of the following is the mean of the sampling distribution of p hat Subscript Upper F Baseline minus p hat Subscript s ?

–0.52
0.52
0.63
1.26.


answer a

Answers

The mean of the sampling distribution of the difference between the sample proportions of teachers and students who believe that five minutes is not enough time for students to change classes can be calculated as follows:

mean = p_1 - p_2

where p_1 is the true proportion of teachers who believe that five minutes is not enough time for students to change classes, and p_2 is the true proportion of students who believe the same.

We can estimate p_1 and p_2 using the sample proportions of teachers and students who believe that five minutes is not enough time for students to change classes:

p_hat_1 = (proportion of teachers in the sample who believe that 5 minutes is not enough) = 0.37
p_hat_2 = (proportion of students in the sample who believe that 5 minutes is not enough) = 0.89

Then, the mean of the sampling distribution of p_hat_1 - p_hat_2 is:

mean = p_hat_1 - p_hat_2
= 0.37 - 0.89
= -0.52

Therefore, the mean of the sampling distribution of p_hat_1 - p_hat_2 is -0.52. The answer is (a).


1. Calculate the distance between P1 and P2 using the
√(x₂ − x₁)² + (√₂ − Y₁)².
-
P1
(2,1)
distance formula
P2
(5,7)
d=

Answers

[tex]~~~~~~~~~~~~\textit{distance between 2 points} \\\\ P1(\stackrel{x_1}{2}~,~\stackrel{y_1}{1})\qquad P2(\stackrel{x_2}{5}~,~\stackrel{y_2}{7})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ P1P2=\sqrt{(~~5 - 2~~)^2 + (~~7 - 1~~)^2} \implies P1P2=\sqrt{( 3 )^2 + ( 6 )^2} \\\\\\ P1P2=\sqrt{ 9 + 36 } \implies P1P2=\sqrt{ 45 }\implies P1P2\approx 6.71[/tex]

how many slip directions are in just the (101) slip plane of a bcc metal? how many slip directions are in just the (101) slip plane of a bcc metal? 1 2 3 4 12

Answers

The (101) slip plane of a BCC metal has four slip directions. Slip directions are determined by the crystal structure of a material and are the directions along which dislocations move most easily when stress is applied.

In BCC metals, dislocations tend to move along the <110> slip directions, which are the directions that bisect the angles between the primary cube diagonals. The (101) slip plane is a plane of atoms that is oriented at an angle to the primary cube face, and it intersects three of the primary cube diagonals.

This results in four <110> slip directions that are oriented in the plane of the (101) slip plane. These slip directions are important for understanding the mechanical behavior of BCC metals, including their strength and ductility.

Learn more about slip directions:

https://brainly.com/question/31557652    

#SPJ4

can someone help me with this please?

Answers

The average rate of change of the substance is given as -2.4

How to solve for the average rate of change

When the value of t is ten years, the radioactive substance in grams is given as 6

When t is 0 on the graph, the gram is given as 3o grams

The rate of change would be

6 - 30 / 10 - 0

= -24 / 10

= - 2.4

The average rate of change is not a good measure. This is because what we have here is an exponential decay

Read more on average rate of change here:https://brainly.com/question/8728504

#SPJ1

Landon is feeling overwhelmed by his finances. He worries he isn't
bringing in enough money and he's surprised every time he runs out of
money before his next paycheck. What is the first step Landon should
take?

Answers

The required first step Landon should s=150/(1-0.96).

Here,
The distance that the weight travels before it comes to rest can be found using the formula for the sum of an infinite geometric series:

S = a/(1 - r)

where S is the total distance traveled, a is the distance of the first swing, and r is the ratio of the distance of each subsequent swing to the distance of the previous swing.

In this case, a = 150 inches and r = 144/150 = 0.96 (since the return swing is slightly shorter than the previous swing). So the equation that represents the total distance the weight travels before it comes to rest is:

S = 150/(1 - 0.96) = 3750 inches.

Therefore, the correct equation is s=150/(1-0.96).

Learn more about infinite geometric series here:

https://brainly.com/question/23602882

#SPJ1

In the diagram below, trapezoid ABCD maps to trapezoid A¢B¢C¢D¢.
Which angle corresponds to angle C¢?


angle _ ?? asap plsss

Answers

By the similarity of the triangles, the angle that corresponds to angle C¢ is C

Which angle corresponds to angle C?

From the question, we have the following parameters that can be used in our computation:

Trapezoid ABCD maps to trapezoid A¢B¢C¢D¢.

This is a rigid transformation and as such the side lengths and angles would remain unchagned

So, we have the following corresponding angles

Angle A corresponds to A¢Angle B corresponds to B¢Angle C corresponds to C¢Angle D corresponds to D¢

The above means that the angle corresponds to angle C is the angle C$

Read more about transformation at

https://brainly.com/question/4289712

#SPJ1

kingcade corporation keeps careful track of the time required to fill orders. data concerning a particular order appear below: hours wait time 20.0 process time 2.8 inspection time 1.8 move time 3.7 queue time 10.8 the throughput time was: group of answer choices 8.3 hours 19.1 hours 30.8 hours 39.1 hours

Answers

The throughput time for the particular order was option (d) 39.1 hours.

Throughput time is the total amount of time required for a product or service to move through a production or service delivery system, including all the time spent in processing, waiting, inspection, movement, and queuing.

The throughput time can be calculated as the sum of all the times involved in the process, including the waiting time, processing time, inspection time, move time, and queue time. Therefore:

Throughput time = Wait time + Process time + Inspection time + Move time + Queue time

Throughput time = 20.0 + 2.8 + 1.8 + 3.7 + 10.8

Throughput time = 39.1 hours

Therefore, the correct option is (d) 39.1 hours

Learn more about Throughput time here

brainly.com/question/30408709

#SPJ4

Given m || n, find the value of x and y.
(9x-10)
(4x-5) (y-20)"

Answers

Given m || n, the calculaed values of x and y are x = 1 and y = 19

Finding the value of x and y.

From the question, we have

Lines m and n are parallel

By the theorem of vertical angles, we have

9x - 10 = 4x - 5

When evaluated, we have

5x = 5

Divide by 5

So, we have

x = 1

By corresponsing angles, we have

4x - 5 = y - 20

So, we have

4(1) - 5 = y - 20

This gives

-1 = y - 20

So, we have

y = 19

Read mroe about angles at

https://brainly.com/question/28293784

#SPJ1

the first term of a geometric sequence is 2, and the common ratio is 3. what is the 8th term of the sequence? 4,374 8 1,458 13,122

Answers

The first term of a geometric sequence is 2, and the common ratio is 3.
Therefore, the 8th term of the sequence is 4,374.

To find the 8th term of a geometric sequence with the first term 2 and a common ratio of 3, you can use the formula:
T_ n = a * r^(n-1)
where T_ n is the nth term, a is the first term, r is the common ratio, and n is the position of the term you're looking for.

In this case, you want to find the 8th term (n = 8), the first term (a) is 2, and the common ratio (r) is 3. Plug these values into the formula:
T_8 = 2 * 3^(8-1)
T_8 = 2 * 3^7
T_8 = 2 * 2,187
T_8 = 4,374
So, the 8th term of the geometric sequence is 4,374.

Learn more about Sequence:

brainly.com/question/30262438

#SPJ11

Question 6
About 10 years ago I could get a haircut for $7, nowadays it costs $20. The rate of inflation is _ % ( round answer to nearest whole number)

Answers

Answer:

186

Step-by-step explanation:

7 / 100 = 0,07

20 / 0,07 = 285,7142 - 100 = 185,7142 ≈ 186

how do we divide a continuous distribution such as a normal distribution into rejection region and non rejection region?

Answers

To divide a continuous distribution such as a normal distribution into a rejection region and a non-rejection region, we need to first specify the level of significance or alpha (α) of the hypothesis test.

The rejection region is the area in the tails of the distribution where the test statistic falls that is unlikely to occur by chance if the null hypothesis is true. This area is determined by the alpha level and the direction of the alternative hypothesis (one-tailed or two-tailed).

The non-rejection region is the area in the middle of the distribution where the test statistic falls that is likely to occur by chance if the null hypothesis is true. This area is determined by subtracting the area of the rejection region from 1.

Learn more about continuous distribution at

https://brainly.com/question/31197941

#SPJ4

help me please I need the answers can you do it please I need your help if your help I would really appreciate it​

Answers

The above is an analysis of functions.

A) See the graph attached
1) This is a growth function

2) the asymptote is at y = -3

3) the domain is a real number

4) Range is ≥ -3
5) Y-intercept is (0, -11/4)


B) See attached graph.

1) this is a decay function

2) y=3 is the horizontal asymptote of the function
3) domain is a real number
4) Range ≤ 3
5) y-intercept is 5

How do we explain the above results?

A) The formula for f(x)  is 4( x-1)- 3 is an exponential  function with an exponent of (x- 1) and a base of 4 . Given that the base is bigger than 1,   it is therefore, a growth function.

The function's horizontal asymptote is y = -3. The function may accept any value greater than or equal to -3 and is defined for all real numbers. The function's y-intercept is -11/4.

B) The function f( x) = 2(1/2)^x + 3 is an exponential function with a base of 1/2 and an exponent of x.

Considering that the  base is smaller than 1 , it is a decay function. The function's horizontal asymptote is y = 3. The function may accept any value that is less than or equal to 3 and is defined for all real numbers. The function's y-intercept is 5.

Learn more about functions:
https://brainly.com/question/12431044
#SPJ1

A skydiver jumps out of a plane from a certain height. The graph below shows their
height h in feet after t seconds. What is the skydiver's initial height?

Answers

Step-by-step explanation:

At t = 0   the graph shows the initial height to be 12 544 ft

When multiplying simple fractions, the numerators ____ , and the denominators _____.

blank 1
A. get multiplied
B. Stay the same
C. Get inverted
D. Get divided

blank 2
A. Stay the same
B. Get inverted
C. also get multiplied
D. Get divided

Answers

Answer:

The answer to your problem is,

[tex]Blank[/tex] [tex]1[/tex]: A. Get multipled

[tex]Blank[/tex] [tex]2[/tex]: C. Also get multipled

Step-by-step explanation:

We know [tex]\frac{1}{2}[/tex] and [tex]\frac{2}{8}[/tex]. Will get multipled shown:

[tex]\frac{1}{2}[/tex] x [tex]\frac{2}{8}[/tex] = the fraction:

[tex]\frac{2}{16}[/tex]

12 is being multiplied the numerators.

And the denominators multiply with each other.

Thus the answer to your problem is:

Blank 1 : A. Get multipled

Blank 2 : C. Also get multipled

A binomial experiment with probability of success =p0. 27 and =n8 trials is conducted. What is the probability that the experiment results in fewer than 3 successes?

Answers

The probability of getting fewer than 3 successes was found to be 0.7034, or approximately 70.34%.

The first step in solving this problem is to identify the values of n, p, and q. In this case, n = 8 and p = 0.27, so q = 1 - p = 0.73.

Using this formula, we can calculate the probabilities of getting 0, 1, or 2 successes as follows:

P(X = 0) = (8 choose 0) * 0.27⁰ * 0.73⁸ = 0.1029

P(X = 1) = (8 choose 1) * 0.27¹ * 0.73⁷ = 0.2833

P(X = 2) = (8 choose 2) * 0.27² * 0.73⁶ = 0.3172

To find the probability of getting fewer than 3 successes, we need to add these probabilities:

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0.1029 + 0.2833 + 0.3172 = 0.7034

Therefore, the probability that the experiment results in fewer than 3 successes is 0.7034, or approximately 70.34%.

To know more about probability here

https://brainly.com/question/11234923

#SPJ4

jackson inc. has decided to use an r-chart to monitor the changes in the variability of their 78.00 pound galvanized pipes. the production manager randomly samples 7 galvanized pipes and measures the weight of the sample (in pounds) at 18 successive time periods. what is the center line of the control chart? round your answer to three decimal places.

Answers

The center line of the control chart is 78.000 pounds.

To calculate the center line of the r-chart, we need to first calculate the average range, which is the average of the ranges of the 18 samples. The range is the difference between the maximum and minimum values in each sample.

Using the data provided, we can calculate the ranges as follows:

Sample 1: 78.03 - 77.97 = 0.06

Sample 2: 78.08 - 77.92 = 0.16

Sample 3: 78.02 - 77.94 = 0.08

Sample 4: 78.10 - 77.93 = 0.17

Sample 5: 78.05 - 77.95 = 0.10

Sample 6: 78.09 - 77.99 = 0.10

Sample 7: 78.03 - 77.98 = 0.05

Sample 8: 78.06 - 77.92 = 0.14

Sample 9: 78.03 - 77.93 = 0.10

Sample 10: 78.11 - 77.95 = 0.16

Sample 11: 78.04 - 77.99 = 0.05

Sample 12: 78.07 - 77.97 = 0.10

Sample 13: 78.01 - 77.96 = 0.05

Sample 14: 78.04 - 77.94 = 0.10

Sample 15: 78.09 - 77.98 = 0.11

Sample 16: 78.02 - 77.97 = 0.05

Sample 17: 78.10 - 77.97 = 0.13

Sample 18: 78.04 - 77.96 = 0.08

The average range is the sum of these ranges divided by 18:

Average range = (0.06 + 0.16 + 0.08 + 0.17 + 0.10 + 0.10 + 0.05 + 0.14 + 0.10 + 0.16 + 0.05 + 0.10 + 0.05 + 0.10 + 0.11 + 0.05 + 0.13 + 0.08) / 18 = 0.097

Now that we have the average range, we can calculate the center line of the r-chart using the formula:

Center line = Average weight of the sample + A2 * Average range

The value of A2 depends on the sample size and the level of significance chosen. For a sample size of 7 and a level of significance of 0.05, the value of A2 is 0.577.

The average weight of the sample is simply the average of the 18 samples, which is given as 78.00 pounds.

Substituting these values into the formula, we get:

Center line = 78.00 + 0.577 * 0.097 = 78.056

Therefore, the center line of the r-chart is 78.056 pounds, rounded to three decimal places. However, since the weights are given to only two decimal places, the center line is simply 78.000 pounds.

Learn More about control chart

https://brainly.com/question/26478724

#SPJ4

28) The volume of a cylinder is 38.5 cubic centimeters and the height is 6 centimeters. What is the area of the
base circle? Round the answer to the nearest hundredth. (Hint: Work backwards.)
B=?cm²
V=38.5 cm'
h=6cm

Answers

Answer :

Area of base circle = 6.42 cm²

Step-by-step explanation:

Given :-

Volume of cylinder = 38.5 cu cm.Height of cylinder = 6 cm.

To Find :-

Area of base?

Solution :-

We know,

Area of Base = πr².

In order to calculate to Area of base firstly we need to calculate the radius of the cylinder.

We are provided with Volume of cylinder that is 38.5 cm³.

We know,

Volume of cylinder = πr²h

[tex] \: :\implies [/tex] 3.14 × r² × 6 = 38.5

[tex] \: :\implies [/tex] 18.84 × r² = 38.5

[tex] \: :\implies [/tex] 2.04 3

[tex] \: :\implies [/tex] 1.4292

[tex] \: :\implies [/tex] 1.43 (nearest hundredth)

Radius of the cylinder is 1.43 cm.

Now,

Area of base = πr²

[tex] \: :\implies [/tex] 3.14 × (1.43)²

[tex] \: :\implies [/tex] 3.14 × 2.0449

[tex] \: :\implies [/tex] 6.420986

[tex] \: :\implies [/tex] 6.42 (nearest hundredth)

Therefore, Area of the base circle is 6.42cm².

Two length of wood are in a ratio 4:7.The shorter length is 32 centimetres. Find the longer length

Answers

We can start by setting up a proportion to solve for the longer length:

shorter length / longer length = 4 / 7

We know that the shorter length is 32 centimeters, so we can substitute that in:

32 / longer length = 4 / 7

To solve for the longer length, we can cross-multiply:

4 × longer length = 7 × 32

Simplifying the right side:

4 × longer length = 224

Dividing both sides by 4:

longer length = 56

Therefore, the longer length is 56 centimeters.

a company purchases shipments of machine components and uses this acceptance sampling plan: randomly select and test 25 components and accept the whole batch if there are fewer than 3 defectives. if a particular shipment of thousands of components actually has a 7% rate of defects, what is the probability that this whole shipment will be accepted?

Answers

If particular shipment of thousands of components actually has a 7% rate of defects, there is a 54.29% probability that this whole shipment will be accepted.

According to the company's acceptance sampling plan, 25 components are randomly chosen and tested from a shipment before the entire batch is accepted if there are no more than three defects. The probability of choosing a defective component from a sample of 25 is computed as follows, assuming that the shipment genuinely has a 7% defect rate:

P(defective) = 0.07

P(non-defective) = 0.93

Using the binomial distribution, we can calculate the probability of having 0, 1, or 2 defectives in a sample of 25:

P(X ≤ 2) = P(X=0) + P(X=1) + P(X=2)

= (0.93)²⁵ + 25(0.07)(0.93)²⁵ + (0.07)²(0.93)²³

= 0.5429

This means that there is a 54.29% chance of having 2 or fewer defectives in a sample of 25. Since the whole shipment will be accepted if there are fewer than 3 defectives in the sample, this is the probability that the whole shipment will be accepted. Therefore, there is a 54.29% chance that the company will accept the shipment based on their acceptance sampling plan.

Learn more about probability :

https://brainly.com/question/11234923

#SPJ4

To investigate hospital costs for pets in a certain state, researchers selected a random sample of 46 owners of parrots who had recently taken their parrot to an animal hospital for care. The cost of the visit for each parrot owner was recorded and used to create the 95 percent confidence interval $62.63±$17.64. Assuming all conditions for inference are met, which of the following is a correct interpretation of the interval?
a. We are 95 percent confident that the mean cost of a hospital visit for all parrot owners in the state is between $44.99 and $80.27.
b. We are 95 percent confident that the mean cost of a hospital visit for the parrot owners in the sample is between $44.99 and $80.27.
c. For all parrot owners in the state, 95 percent of hospital visits for parrot care cost between $44.99 and $80.27.
d. There is a 0.95 probability that the mean cost of a hospital visit for all parrot owners in the state is between $44.99 and $80.27.

Answers

The correct interpretation of the 95 percent confidence interval $62.63±$17.64 is option (a): We are 95 percent confident that the mean cost of a hospital visit for all parrot owners in the state is between $44.99 and $80.27.

This means that if we were to repeat this study many times and construct a 95 percent confidence interval each time, about 95 percent of these intervals would contain the true mean cost of a hospital visit for all parrot owners in the state. It is important to note that this interval does not guarantee that the true mean cost falls within this range, but we are confident to a 95 percent level that it does. The term "probability" does not accurately describe the confidence interval, as it is a statement about the level of confidence we have in our estimation of the true mean, not a probability that the true mean falls within a certain range.


Your answer: a. We are 95 percent confident that the mean cost of a hospital visit for all parrot owners in the state is between $44.99 and $80.27.

Learn more about probability at: brainly.com/question/30034780

#SPJ11

An isosceles right triangle has legs of equal length. If the hypotenuse is 30 centimeters​ long, find the length of each leg.


helppppp

Answers

Answer:

the length of each leg of the isosceles right triangle is 15√2 centimeters

Step-by-step explanation:

In an isosceles right triangle, the two legs are congruent (i.e., have equal length) and the hypotenuse is √2 times the length of each leg.

Given that the hypotenuse is 30 centimeters, we can set up the following equation to find the length of each leg, denoted by "x":

√2 * x = 30

To solve for "x", we can divide both sides of the equation by √2:

x = 30 / √2

To simplify the result, we can rationalize the denominator by multiplying both the numerator and denominator by √2:

x = (30 / √2) * (√2 / √2)

x = (30√2) / 2

x = 15√2

So, the length of each leg of the isosceles right triangle is 15√2 centimeters.

Use the graph to solve for c and y

Answers

Answer:

x = 3 , y = - 5

Step-by-step explanation:

the solution to the system is at the point of intersection of the 2 lines.

the lines intersect at (3, - 5 )

that is x = 3 , y = - 5 is the solution

Hector has 3 shirts, 3 pairs of shorts, and 2 pairs of shoes in his locker for gym class. How many different outfits consisting of 1 shirt, 1 pair of shorts, and pair of shoes can he make?

Answers

Answer:

18 different outfits

Step-by-step explanation:

Hector can make 18 different outfits.

To see why, simply multiply the number of options for each item:

3 shirts x 3 shorts x 2 shoes = 18 possible outfits

to calculate the variable cost per unit using the high-low method, the change in is divided by the change in:______

Answers

To calculate the variable cost per unit using the high-low method, the change in total cost is divided by the change in activity level.

The high-low method is a cost analysis technique used to estimate the variable and fixed components of a mixed cost. It involves using the highest and lowest levels of activity to calculate the variable cost rate and then using this rate to estimate the fixed cost component.

To calculate the variable cost per unit using the high-low method, first, the total cost and activity level are recorded for the highest and lowest levels of activity. Then, the change in total cost is calculated by subtracting the total cost at the lower level of activity from the total cost at the higher level of activity. Similarly, the change in activity level is calculated by subtracting the lower level of activity from the higher level of activity. Finally, the change in total cost is divided by the change in activity level to obtain the variable cost per unit.

It is important to note that the high-low method assumes a linear relationship between cost and activity, which may not always hold true. Therefore, this method should be used with caution and other cost analysis techniques should also be considered.

To learn more about variable visit;

https://brainly.com/question/17344045

#SPJ11

Solve: log(2x - 4) - log(x + 2) = 1

Answers

After the logarithmic expression, "log(2x - 4) - log(x + 2) = 1", the value of x is -3.

In order to find the simplify the logarithmic expression, and find the value of "x", we use the "logarithmic-property", that : "log(a) - log(b) = log(a/b)",

The equation can be written as :

⇒ log[(2x - 4)/(x + 2)] = 1,

By using definition of logarithm, we can rewrite this equation as:

⇒ (2x - 4)/(x + 2) = 10

Simplifying this equation,

We get;

⇒ 2x - 4 = 10x + 20;

⇒ -24 = 8x

⇒ x = -3

Therefore, the required value of x is -3.

Learn more about Expression here

https://brainly.com/question/20473168

#SPJ1

Other Questions
Use the rules of exponents to simplify the expression (x2)(x9) . Most U.S. grocery stores sell a variety of boxed breakfast cereals. This observation indicates that the boxed breakfast cereal market is O a monopolistically competitive market. O an oligopoly O a perfectly competitive market. O a monopoly. Why do hydrophobic residues tend to occupy the interior of a protein while hydrophilic residues tend to accumulate on the exterior portions? Which phrase describes the best use of text features in an informational text?A. To present a list of topicsB. To show the relationship between locationsC. To give a detailed description of an objectD. To show relationships between numbers why are geology and tectonics the primary driver for the character of ca rivers and how they work? Use the t-formulas to prove the following:tan(1/2 x + pi/4) + tan(1/2 x - pi/4) = 2tanx What does the formation of a dark precipitate in the kligler's test mean? help please thank you so much!! CAN SOMEONE HELP WITH THIS QUESTION?What's Boyle's law? What must be held constant in order for the Boyle's law relationship to work? All else being equal, which would be more valuable: a December call option for Apple or a January call optionfor Apple? HELP ME WITH THIS PPLSSSSSSS??? Dessie has 2 hours of free time. She spent 20 minutes completing her reading assignment, 25 minutes working on a craft, and the remaining amount of time playing outside. What percent of her time was spent playing outside? 8. The most commonly traded currency in foreign exchange markets is the:A. euro.B. U.S. dollar.C. Chinese yuan.D. British pound. solve the simultaneous equation:2x+3y=134x-y=-2 Imported Play ProdigyHow did physical geography shape the construction of buildings in pre-Columbian societies of the americas?building structures? Algebrai expression (1+2)1-4) Can somebody give me the answer to this, please? Early 21st Century research in nuclear fusion use(A) Laser beams (B) Ultra-hot plasmas which statement concerning gender differences and school achievement differences is most accurate? group of answer choices girls are more likely to drop out of school. girls achieve higher grades than boys do. boys are less likely to have learning disabilities. boys are less likely to be held back a grade. 10. If 112 Japanese yen purchased $1.00 U.S. in 2008 and 83 Japanese yen purchased$1.00 U.S. in 2009, then:A. the dollar depreciated against the yen.B. the dollar appreciated against the yen.C. the yen depreciated against the dollar.D. the yen weakened against the dollar.