NEED TO FINISH THIS 100 POINTS ANSWER ALL QUESTIONS BELOW!!!!!!

NEED TO FINISH THIS 100 POINTS ANSWER ALL QUESTIONS BELOW!!!!!!
NEED TO FINISH THIS 100 POINTS ANSWER ALL QUESTIONS BELOW!!!!!!
NEED TO FINISH THIS 100 POINTS ANSWER ALL QUESTIONS BELOW!!!!!!
NEED TO FINISH THIS 100 POINTS ANSWER ALL QUESTIONS BELOW!!!!!!

Answers

Answer 1

Answer:

1 B

2 A

3 A

4 five times

Step-by-step explanation:

6.3×10-11/7×10-5

0.9×10-6

9×10-5


Related Questions

Measure the lengths of the wires to the nearest half inch. A scale measuring 3 inches is placed horizontally to measure the length of 4 wires. The first wire is more than 2 inches and just less than 2 and one-half inches long. The second wire is just more than 2 and one-half inches long. The third wire is just more than 1 and one-half inches long. The fourth wire is more than 1 and one-half inches and just less than 2 inches long. How many pieces of wire are there for each length? Drag the number of pieces of wire there are for each length to the boxes. Numbers may be used once, more than once, or not at all.

Answers

a) there is one pieces of wire each for each length.

b)

i. Wire 1 is  more than 1 1/2  inches and just less than 2 inches long.

ii. Wire 2 is just more than 2 1/2  inches long.

iii.  Wire 3 is more than 2 inches and just less than 2 1/2 inches long.

iv. Wire 4 is more than 1 inches and just less than 1 1/2 inches long.

What is the explanation for the above response?

The above prompt seeks to explain measurement and sorting using actual observable measure.

In this case, several wire are placed horizontally over a calibrated measure such as a rule calibrated in Inches.

Thus, from the observed, we can stated that:

i. Wire 1 is  more than 1 1/2  inches and just less than 2 inches long.

ii. Wire 2 is just more than 2 1/2  inches long.

iii.  Wire 3 is more than 2 inches and just less than 2 1/2 inches long.

iv. Wire 4 is more than 1 inches and just less than 1 1/2 inches long.

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Full Question:

Although part of your question is missing, you might be referring to this full question:


Measure the lengths of the wires to the nearest half inch.
A scale measuring 3 inches is placed horizontally to measure the length of 4 wires.

The first wire is more than 2 inches and just less than 2 and one-half inches long.

The second wire is just more than 2 and one-half inches long. The third wire is just more than 1 and one-half inches long. The fourth wire is more than 1 and one-half inches and just less than 2 inches long.

a) How many pieces of wire are there for each length?

b) Drag the number of pieces of wire there are for each length to the boxes. Numbers may be used once, more than once, or not at all.

See attached image.

two hundred five thousandths in decimal numbers

Answers

The required decimal form of two hundred five thousandths is 0.205.

When we write a decimal number, each digit represents a different power of 10, with the digit to the left of the decimal point representing the one place, and the digits to the right of the decimal point representing fractions of a whole.

So, to represent two hundred five thousandths in decimal form, we need to write 2 in the thousandth place, which is three digits to the right of the decimal point. This gives us the number 0.205.

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Researchers investigated the speed with which consumers decide to purchase a product. The researchers theorized that consumers with last names that begin with letters later in the alphabet will tend to acquire items faster than those whose last names begin with letters earlier in the
alphabetlong dash—called
the last name effect. MBA students were offered tickets to a basketball game. The first letter of the last name of respondents and their response times were noted. The researchers compared the response times for two​ groups: (1) those with last names beginning with a​ letter,
Adash–​I,
and​ (2) those with last names beginning a​ letter,
Rdash–Z.
Summary statistics for the two groups are provided in the accompanying table. Complete parts a

Answers

The summary statistics for the two groups are provided in the accompanying table. To complete part A, we would need to see the table to provide an answer.

The researchers investigated the last name effect on the speed of consumer decision-making when purchasing a product. They theorized that consumers with last names starting with letters later in the alphabet would tend to purchase items faster than those with last names starting with letters earlier in the alphabet. To test this theory, the researchers offered MBA students tickets to a basketball game and noted their response times along with the first letter of their last names. They compared the response times of two groups: (1) those with last names starting with letters A through I and (2) those with last names starting with letters R through Z.

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in a survey of 282 college students, it is found that 64 like brussels sprouts, 94 like broccoli, 58 like cauliflower, 26 like both brussels sprouts and broccoli, 28 like both brussels sprouts and cauliflower, 22 like both broccoli and cauliflower, and 14 like all three vegetables. how many of the 282 students do not like any of these vegetables?

Answers

There are 128 students who do not like any of these vegetables.

How to solve this problem?

To solve this problem, we can use the principle of inclusion-exclusion. We start by adding up the number of students who like each vegetable:

Number who like brussels sprouts = 64

Number who like broccoli = 94

Number who like cauliflower = 58

Next, we subtract the number of students who like more than one vegetable once:

Number who like both brussels sprouts and broccoli = 26

Number who like both brussels sprouts and cauliflower = 28

Number who like both broccoli and cauliflower = 22

We can't just subtract the number who like all three vegetables once, since we have now subtracted them twice (once for each pair of vegetables). So we need to add them back in once:

Number who like all three vegetables = 14

Now we can calculate the number of students who like at least one vegetable:

Number who like at least one vegetable = 64 + 94 + 58 - 26 - 28 - 22 + 14

Number who like at least one vegetable = 154

Finally, to find the number of students who do not like any of these vegetables, we subtract this from the total number of students:

Number who do not like any of these vegetables = 282 - 154

Number who do not like any of these vegetables = 128

Therefore, there are 128 students who do not like any of these vegetables.

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You sell instruments at a Caribbean music festival. You earn $326 by selling 12 sets of maracas, 6 sets of ​claves, and x djembe drums. Find the number of djembe drums you sold.

Answers

The number of djembe drum sold is 8

What is profit?

Profit is the money you have left after paying for business expenses. This means after deducting the money of expenses from the selling price , the remainder is profit.

Therefore , profit = selling price - cost price

set of claves = $5

set of maracas = $14

a drum = $16

Selling price of drum = 16 × x =16x

selling price of claves = 6×5 = 30

selling price of maracas = 14 × 12 = 168

total selling price =$( 16x+30+168)

cost price = 326-( 16x+30+168)

Therefore,

326 = 16x+30+168-(326-16x-30-168)

326 = 16x +30+168-326+16x+30+168

326 = 32x+60+336-326

326+326-336-60 = 32x

32x = 256

divide both sides by 32

x = 256/32

x = 8

Therefore the number of drums sold is 8

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3 -2 - 4 Let y = . u2 = Find the distance from y to the plane in R3 spanned by u, and uz. -8 5 -5 1 2. The distance is a (Type an exact answer, using radicals as needed.)

Answers

To find the distance from y to the plane in R3 spanned by u, we first need to find the projection of y onto u.

We can do this using the formula: proj_u(y) = ((y ⋅ u) / ||u||^2) * u
where ⋅ represents the dot product, and ||u|| is the length of u. Plugging in the values given,

we get: proj_u(y) = ((3(-8) - 2(5) - 4(-5)) / (1^2 + 2^2 + 2^2)) * <1, 2, 2>
          = (-44 / 9) * <1, 2, 2>
          = <-44/9, -88/9, -88/9>

Next, we can find the distance from y to the plane by subtracting the projection from y, and taking the length of the resulting vector.

That is: distance from y to plane = ||y - proj_u(y)||
                        = ||<0, 3, -4> - <-44/9, -88/9, -88/9>||
                        = ||<44/9, 35/9, -4/9>||
                        = sqrt((44/9)^2 + (35/9)^2 + (-4/9)^2)
                        = sqrt(2029/81)


Therefore, the distance from y to the plane in R3 spanned by u is sqrt(2029/81), or approximately 4.208 units.


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What is the Volume of this cube

Answers

Answer: 27

Step-by-step explanation:

This is a cube so all of the lengths have the same lengths.

3x3x3=27

3x3=9

9x3=27

Test for the best ~ A major financial services company uses a set of pre-employment tests to evaluate potential employees before they are hired. All applicants sign a confidentiality agreement not to divulge any content from the tests, which has allowed the company to use the same tests over many years. The test scores are known to be normally distributed with a mean of 75.2.
In an effort to hire more talented employees, the company recently hired a recruiting firm to find better qualified applicants. A random sample of 24 applicants provided by the recruiting firm had a mean test score of 76.85 and a standard deviation of 9.3.
The company wants to determine if the mean test score for all applicants supplied by the recruiting firm is higher than the historical mean of 75.2.Round all calculated values to 4 decimal places as appropriate.
1. Which inference procedure should the company use?
A. Z confidence interval for a population proportion
B. Z test for one population proportion
C. Randomization test for the difference of two population proportions
D. 2 test of independence
E. t test for a population mean
2. Which set of hypotheses should the company use to answer the research question?
A. H0:x¯=76.85 vs. H:x¯>76.85
B. H0:=75.2 vs. H:≠75.2
C. H0:=75.2 vs. H:<75.2
D. H0:=75.2 vs. H:>75.2

Answers

1. The company should use a t-test for the population mean, as we are comparing the mean test score for the sample of applicants supplied by the recruiting firm to the historical mean of 75.2.

2. The set of hypotheses the company should use to answer the research question is: D. H0: μ = 75.2 vs. H1: μ > 75.2

1. The appropriate inference procedure for this scenario is the t-test for a population mean. This is because we are comparing a sample mean (76.85) to a known population mean (75.2) with a known sample standard deviation (9.3). So the correct answer is:

E. t-test for a population mean

2. The company wants to determine if the mean test score for applicants provided by the recruiting firm is higher than the historical mean of 75.2. Therefore, the null hypothesis (H0) should be that the mean test score is equal to 75.2, and the alternative hypothesis (H1) should be that the mean test score is greater than 75.2. The correct set of hypotheses is:

H0: μ = 75.2 (the historical mean)

Ha: μ > 75.2 (the mean for the sample of applicants supplied by the recruiting firm is higher).

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Solve And Fill In The Boxes

Answers

The angles are vertical opposite angles and the value of x is 25.

Each of the pairs of the opposite angles made by two intersecting lines are called vertical opposite angles.

When Two angles whose sum is 180° are called supplementary angles.That means, if supplementary angles are aligned adjacent to each other, their exterior sides will make a straight line.

We are given the angles as;

125 and 5x degrees.

Thus, both the angles makes vertical opposite angles means;

125 = 5x

x = 125/5

x = 25

Hence, the value of x is 25.

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consider the following regression equation, which of the following is the formula for calculating the heteroskedastic robus estimator of the variance of beta 1

Answers

To calculate the heteroskedastic robust estimator of the variance of beta 1 in a regression model, we need to use the White estimator of the variance-covariance matrix.

The White estimator is given by:

V(β) = (X'WX)^(-1)X'WΩWX(X'WX)^(-1)

where V(β) is the variance-covariance matrix of the estimated coefficients, X is the design matrix, W is the diagonal matrix of weights, and Ω is the matrix of residuals squared (residuals are the differences between the actual and predicted values of the dependent variable).

For the variance of beta 1, we are interested in the (1,1) element of the V(β) matrix. Therefore, the formula for the heteroskedastic robust estimator of the variance of beta 1 is:

Var(β1) = (X'WX)^(-1)X'WΩWX(X'WX)^(-1)

where (1,1) denotes the (1,1) element of the matrix.

Note that the White estimator is robust to heteroskedasticity in the errors of the regression model.

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find the future value of an annuity due of $1,000 paid at the beginning of each 6-month period for 5 years if the interest rate is 6%, compounded semiannually. (round your answer to the nearest cent.)

Answers

The future value of the annuity due is $1,848.20, rounded to the nearest cent.

To find the future value of an annuity due of $1,000 paid at the beginning of each 6-month period for 5 years, we can use the formula:

[tex]FV = Pmt x ((1 + r/m)^n - 1) x (1 + r/m)[/tex]

where:

Pmt is the payment amount, which is $1,000 in this case

r is the interest rate per year, which is 6%

m is the number of compounding periods per year, which is 2 since interest is compounded semiannually

n is the total number of compounding periods, which is 10 since there are 5 years and interest is compounded semiannually

(1 + r/m) is the interest factor

Substituting the values, we get:

[tex]FV = $1,000 x ((1 + 0.06/2)^10 - 1) x (1 + 0.06/2)[/tex]

= $1,000 x [tex](1.06^{10[/tex] - 1) x 1.03

= $1,000 x 1.79155 x 1.03

= $1,848.20

Therefore, the future value of the annuity due is $1,848.20, rounded to the nearest cent.

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Use the theoretical method to determine the probability of the following outcome and event. State any assumptions made. Tossing two coins and getting either one head or two heads Choose the correct answer below. A. Assuming that each coin is fair and is equally likely to land heads or tails, the probability is 2 x 2. B. Assuming that each coin is fair and is equally likely to land heads or tails, the probability is 4/3
C. Assuming that each coin is fair and is equally likely to land heads or tails, the probability is 1/2
D. Assuming that each coin is fair and is equally likely to land heads or tails, the probability is 3/4

Answers

C. Assuming that each coin is fair and is equally likely to land heads or tails, the probability is 1/2.

When tossing two coins, there are four possible outcomes: HH (two heads), HT (one head and one tail), TH (one tail and one head), and TT (two tails).
Since we are interested in the probability of getting either one head or two heads, we need to add the probabilities of the first three outcomes: HH, HT, and TH.
Assuming that each coin is fair and is equally likely to land heads or tails, the probability of getting a head on one coin is 1/2 and the probability of getting a tail is also 1/2. Therefore, the probability of getting either one head or two heads is:
P(one head or two heads) = P(HH) + P(HT) + P(TH)
P(one head or two heads) = (1/2)*(1/2) + (1/2)*(1/2) + (1/2)*(1/2)
P(one head or two heads) = 1/2
Therefore, the answer is C. The probability of getting either one head or two heads when tossing two coins and assuming that each coin is fair and is equally likely to land heads or tails is 1/2.

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help awnser quick i need it

Answers

The statistical measures for the given set of data are:

Population size: 8

Median: 10

Minimum: 7

Maximum: 14

First quartile: 7.25

Third quartile: 12.75

Interquartile Range: 5.5

Outliers: none

The statistical measures for the given set of data are:

Mean: (7+7+8+9+11+12+13+14)/8 = 10.125

Median: 10

Mode: 7 (since it appears twice)

Range: 14-7 = 7

Variance: 6.625

Standard deviation: √(6.625) = 2.6

To create a box and whiskers plot, we first need to order the data set from smallest to largest:

7, 7, 8, 9, 11, 12, 13, 14

To find the quartiles, we need to find the median (which we already know is 10), and then find the median of the lower half and upper half of the data set separately:

Lower half: 7, 7, 8, 9

Upper half: 11, 12, 13, 14

The median of the lower half is (7+8)/2 = 7.5, and the median of the upper half is (12+13)/2 = 12.5.

Therefore, the quartiles are:

Q1 = 7.25

Q2 (median) = 10

Q3 = 12.75

To find the range of values within 1.5 times the IQR, we first calculate the IQR:

IQR = Q3 - Q1 = 12.5 - 7.5 = 5

Then, we calculate the lower and upper bounds:

Lower bound = Q1 - 1.5IQR = 7.5 - 1.55 = 0

Upper bound = Q3 + 1.5IQR = 12.5 + 1.55 = 20

Since all of the observations fall within the bounds, there are no outliers in this data set.

Using this information, we can create a box and whiskers plot as follows:

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What is the derivative of sin x with respect to x?
What is the derivative of cos x with respect to x?
What is the antiderivative of sin x with respect to x?
What is the antiderivative of cos x with respect to x?

Answers

Cosx, -sinx, -cosx + C, sinx + C are the derivative answers to the question.

The derivative of sin x with respect to x is cos x.
The derivative of cos x with respect to x is -sin x.
The antiderivative of sin x with respect to x is -cos x + C, where C is the constant of integration.
The antiderivative of cos x with respect to x is sin x + C, where C is the constant of integration.

1. The derivative of sin(x) with respect to x is cos(x).
2. The derivative of cos(x) with respect to x is -sin(x).
3. The antiderivative of sin(x) with respect to x is -cos(x) + C, where C is the constant of integration.
4. The antiderivative of cos(x) with respect to x is sin(x) + C, where C is the constant of integration.

A derivative in mathematics is a measurement of how much a function alters as its input alters. It refers to how quickly a function alters in relation to its input variable. The slope of the tangent line to the function at a certain point is what it is, in other words.

The limit of the ratio of the change in the output to the change in the input, as the change in the input approaches zero, is known as the derivative of a function, indicated by the symbols f'(x) or [tex]dy/dx[/tex].

The opposite of differentiation is an antiderivative, usually referred to as an indeterminate integral. It is a function that yields the original function when differentiated. In other words, f(x) follows if [tex]f'(x) = g(x)[/tex].

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Use the Law of Sines to solve (if possible) the triangle. If two solutions exist, find both. Round your answers to two decimal places. A = 110^{\circ}, a = 125, b = 200

Answers

The value of the angle B is  56. 64 degrees

How to determine the value

Using the law of sines, we have;

sin A/a = sin B/b

Given that the parameters are;

A and B are the measure of the anglesa and b are the measure of the sides of the triangle

Now, substitute the values, we have;

sin 110/225 = sin B/200

cross multiply the values, we get;

sin B = sin 110(200)/225

find the values

sin B = 0.9396(200)/225

Multiply the values

sin B = 187. 93/225

sin B = 0. 8352

Find the inverse

B = 56. 64 degrees

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Which description best fits the distribution of the data shown in the histogram?
A. uniform
B. skewed right
C. approximately bell-shaped
D. skewed left

Answers

Answer:

We know that, if in a distribution one tail is longer than the other, the distribution is skewed.

Here in the given histogram, it has a long right tail which is in the positive direction on the x axis. So it is right skewed distribution. That is also known as positive skewed distribution.

Step-by-step explanation:

So here we have got the required answer. Option C is correct.

This side needs to be painted. Find the total area to be painted

Answers

The total area to be painted as given in the figure is 467.4 sq ft

Area refers to the expanse of 2-Dimensional shapes. It has a different formula for different shapes. Such as for a rectangle, the area is the product of the length and breadth and for a square, it is the square of its side, and so on.

In the figure, the side is a combination of a rectangle and a triangle.

Therefore, the area of the side = area of the rectangle + area of the triangle

area of rectangle = l * b

where l is the length

b is the breadth

l = 22.8 ft

b = 14.5 ft

Area = 22.8 * 14.5

= 330.6 sq ft

area of triangle = [tex]\frac{1}{2}[/tex]bh

where b is the base

h is the height

b = 22.8 ft

h = 26.5 - 14.5 = 12 ft

Area = [tex]\frac{1}{2}[/tex] * 22.8 * 12

= 136.8 sq ft

Area of side = 330.6 + 136.8

= 467.4 sq ft

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The complete question might be:

The diagram shows one side of a storage barn. This side needs to be painted. Find the total area to be painted.

Estimate the mean and standard deviation of the underlying normal distribution from which the following data has been generated, using the probability plot method. -1.83 4.99 2.49 4.33 5.40 4.38 3.73 4.72 3.67 1.25 3.04 1.23 3.19 2.33 1.36 2.88 5.52 0.27 -3.58 7.42

Answers

We can estimate that the underlying normal distribution from which the data was generated has a mean of 3 and a standard deviation of 1.

To estimate the mean and standard deviation of the underlying normal distribution from the given data using the probability plot method, we need to first create a probability plot of the data.

After creating the probability plot, we can visually inspect it to see if the data points fall on a straight line. If the data points fall on a straight line, then we can assume that the data is normally distributed. We can then use the slope of the line to estimate the standard deviation and the intercept of the line to estimate the mean.

Using the given data, we can create a probability plot as follows:

- First, we need to order the data from smallest to largest:
-3.58 -1.83 0.27 1.23 1.25 1.36 2.33 2.49 2.88 3.04 3.19 3.67 3.73 4.33 4.38 4.72 4.99 5.40 5.52 7.42

- Next, we need to calculate the percentiles for each data point:
0.5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 99.5%

- We can then plot the percentiles on the y-axis and the ordered data on the x-axis.

After creating the probability plot, we can see that the data points fall approximately on a straight line. This suggests that the data is normally distributed. We can then estimate the mean and standard deviation of the underlying normal distribution as follows:

- The slope of the line is approximately 1, which suggests that the standard deviation of the underlying normal distribution is approximately 1.
- The intercept of the line is approximately 3, which suggests that the mean of the underlying normal distribution is approximately 3.

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Chose a point in quadrant lll And a point in quadrant lV on the same horizontal line.explain how to use absolute value to find the distance between the two points

Answers

If we choose the point (-4, -2) in quadrant III and the point (3, -2) in quadrant IV on the same horizontal line, then the distance between these two points is 7 units.

In quadrant III, the x-coordinate and y-coordinate of a point are both negative, while in quadrant IV, the x-coordinate is positive, and the y-coordinate is negative.

If we choose a point in quadrant III and a point in quadrant IV on the same horizontal line, it means that they have the same y-coordinate, but their x-coordinates have opposite signs.

To find the distance between these two points using absolute value, we can first find the difference between their x-coordinates, ignoring their signs. We then take the absolute value of this difference to get the distance between them.

For example, let's say we choose the point (-4, -2) in quadrant III and the point (3, -2) in quadrant IV on the same horizontal line.

Their y-coordinates are the same (-2), so we can ignore them.

The difference between their x-coordinates is (-4) - 3 = -7.

To get the distance between them, we take the absolute value of this difference, which is | -7 | = 7.

Therefore, the distance between these two points is 7 units.

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Convert the following equation
into standard form.
4
y = 5-
-
x + [?]y = []
XIN
Enter

Answers

The standard form of the line 4y = 5 - x is:

4y + x = 5

How to convert the equation to standard form?

The standard form of a linear equation is:

ax + by = c

Where a, b, and c, are real numbers, and x and y are the variables.

Here we have the equation:

4y = 5 - x

To have the standard form, we only  need to have the two variables in the same side, then we can add x in both sides to get:

4y + x = 5 - x + x

4y + x = 5

That is the standard form.

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.a cat gave birth to 3 33 kittens who each had a different weight between 147 147147 and 159 g 159g159, start text, g, end text. then, the cat gave birth to a 4 th 4 th 4, start superscript, start text, t, h, end text, end superscript kitten that weighed 57g 57g57, start text, g, end text. [show data] how will the birth of the 4 th 4 th 4, start superscript, start text, t, h, end text, end superscript kitten affect the mean and median? choose 1 answer: choose 1 answer: (choice a) both the mean and median will decrease, but the median will decrease by more than the mean. a both the mean and median will decrease, but the median will decrease by more than the mean. (choice b) both the mean and median will decrease, but the mean will decrease by more than the median. b both the mean and median will decrease, but the mean will decrease by more than the median. (choice c) both the mean and median will increase, but the median will increase by more than the mean. c both the mean and median will increase, but the median will increase by more than the mean. (choice d) both the mean and median will increase, but the mean will increase by more than the median. d both the mean and median will increase, but the mean will increase by more than the median. stuck?review related articles/videos or use a hint.

Answers

The correct answer is (a) both the mean and median will decrease, but the median will decrease by more than the mean. Choice B) Both the mean and median will decrease, but the mean will decrease by more than the median.

The mean and median will both decrease with the addition of the 4th kitten. The median will decrease more than the mean because it is the middle value, and the new weight is much smaller than the other weights.

Explanation:
Before the 4th kitten was born, the weights of the kittens were between 147g and 159g. Let's denote the three weights as x, y, and z, where 147 ≤ x < y < z ≤ 159.

Mean (before 4th kitten) = (x + y + z) / 3
Median (before 4th kitten) = y (since the weights are arranged in ascending order)

After the birth of the 4th kitten, which weighed 57g, the new weights are 57g, x, y, and z.

Mean (after 4th kitten) = (57 + x + y + z) / 4
Median (after 4th kitten) = (x + y) / 2 (since there are now an even number of kittens)

Comparing the means, we see that the mean has decreased after the birth of the 4th kitten because:

(57 + x + y + z) / 4 < (x + y + z) / 3

For the medians, we can see that the median has also decreased because:

(y + x) / 2 < y

Therefore, both the mean and median have decreased. However, since the 4th kitten's weight is significantly lower than the other three kittens, the mean will be affected more and will decrease by more than the median.

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The grams of fiber from 1,000 different breakfast cereals sold in the United States were collected.

Which graphical representation would be most appropriate for the data, and why?

Bar chart, because the data is categorical
Histogram, because there is a large set of data
Stem-and-leaf plot, because you can see the shape of the data
Line plot, because you can see the mode of the data

Answers

The most appropriate graphical representation for the grams of fiber from 1,000 different breakfast cereals sold in the United States is; Histogram, because there is a large set of data.

Since histogram is a graphical representation of the distribution of numerical data. This is consist of a series of adjacent rectangles, or bins, that are used to represent the frequency distribution of the data. The height of each bin corresponds to the number of data points that fall within a particular range or interval.

Hence, we have that each bin will represent the number of observations in an interval of grams of fiber.

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A random variable is a measurement to be taken in a probability experiment. an observed value of a random variable is the measurement that has been taken. a discrete random variable is a random variable in which there is a countable collection of possible observed values. that is:___________

Answers

The possible observed values of a discrete random variable can be listed in a countable collection. A random variable is a measurement to be taken in a probability experiment.

An observed value of a random variable is the measurement that has been taken. A discrete random variable is a random variable in which there is a countable collection of possible observed values. That is, the discrete random variable can only take on specific values within a given range, and the probability associated with each value can be calculated. This countable collection of possible observed values is finite or countably infinite, and the probabilities sum up to 1.

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A large number of insects are expected to be attracted to a certain variety of rose plant. A commercial insecticide is advertised as being 99
% efective. Suppose 2000
insects infest a rose garden where the insecticide has been applied, and let X=
number of surviving insects. Evaluate an approximation to the probability that fewer than 100
insects survive

Answers

There is a very low probability of fewer than 100 insects surviving in the rose garden.

Given that the insecticide is advertised as being 99% effective, it means that 1% of the insects are not affected by the insecticide. Therefore, the probability of an insect surviving the insecticide is 0.01.

Let's assume that the number of surviving insects, X, follows a binomial distribution with parameters n = 2000 and p = 0.01. We want to find the probability that fewer than 100 insects survive, i.e., P(X < 100).

Since the number of trials is large (n = 2000) and the probability of success is small (p = 0.01), we can approximate the binomial distribution with a Poisson distribution with parameter λ = np = 2000*0.01 = 20.

Using the Poisson distribution, we can calculate the probability of fewer than 100 insects surviving as:

P(X < 100) = P(X = 0) + P(X = 1) + P(X = 2) + ... + P(X = 99)
          = e^(-20) * (20^0/0!) + e^(-20) * (20^1/1!) + e^(-20) * (20^2/2!) + ... + e^(-20) * (20^99/99!)

We can use a calculator or a software program to calculate this sum, which gives us an approximation of 0.0000386 or 0.00386%.

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In ΔLMN, l = 6.9 cm, m = 8.1 cm and n=8.8 cm. Find the measure of ∠N to the nearest 10th of a degree.

Answers

In triangle LMN, l = 6.9 cm, m = 8.1 cm and n=8.8 cm then the  measure of ∠N is 71.3 degrees

The equation to set up for this, following the pattern for the Law of Cosines, is as follows:

From triangle LMN

n² = m² + l² - 2 mlcos N

We have to find the measure of ∠N

8.82 = 8.12 + 6.92 - 2( 8.1)(6.9) cos N

77.44 = 113.22 - 111.78 cos N

Subtract 113.22 on both sides

-35.78 = -111.78 cos N.

Divide both sides by 111.78

cos N = 0.32

N=Cos⁻¹(0.32)

N=71.3 degrees

Hence, in triangle LMN, l = 6.9 cm, m = 8.1 cm and n=8.8 cm then the  measure of ∠N is 71.3 degrees

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If ⅆyⅆt=6e−0. 08(t−5)2, by how much does y change as t changes from t=1 to t=6 ?

(A) 3. 870 (B) 8. 341 (C) 18. 017 (D) 22. 583

Answers

Based on the given informations, the change in y as t changes from 1 to 6 is approximately 3.870. Therefore the correct option is (A).

To find the change in y as t changes from 1 to 6, we need to integrate the given function with respect to t over the interval [1, 6] and then find the difference between the values of the integral at the two endpoints.

∫₁⁶ 6e[tex].^{(-0.08(t-5)^2)}[/tex]  dt

We can use the substitution u = t - 5 to simplify the integral:

∫₋₄¹ 6e[tex].^{(-0.08u^2)}[/tex]  du

Unfortunately, there is no closed-form solution for this integral. We can use numerical integration methods, such as Simpson's rule or the trapezoidal rule, to approximate the integral. Using Simpson's rule with a step size of 1, we get:

∫₋₄¹ 6e[tex].^{(-0.08u^2)}[/tex] du ≈ 3.870

Therefore, the change in y as t changes from 1 to 6 is approximately 3.870, which corresponds to option (A).

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Someone solve this please

Answers

Answer: 13.1

Step-by-step explanation:

Arc length is angle of given section divided by 360 multiply all of this by the circumference. A is the angle, b is the radius d is the circumference. X is the arc length.

(letters shown have no correlation with the answer choices)

[tex]a=125\\b=6\\d\ =\ \left(2b\right)\cdot3.14\\x=\left(\frac{a}{360}\right)\cdot d[/tex]

This makes the arc length equal to 13.0833333333, which you can round up to be 13.1.

Even if you leave pi as what the Desmos Graphing Calculator simplifies it to, it still gives you the answer 13.08996939, which can be rounded up to 13.1.

Although you did not ask for this further information, the arc measure is equal to the center angle that corresponds to the arc, meaning the arc measure is equal to 125°, regardless what the radius or circumference is.

Find the probability. If body temperature of adults are normally distributed with a mean of 98.60°F and a standard deviation of 0.73°F. What is the probability of a healthy adult having a body temperature greater than 97.60°F. (Write answer round to whole number percentage like 98%)

Answers

The probability of a healthy adult having a body temperature greater than 97.60°F is approximately 91%.

To find the probability of a healthy adult having a body temperature greater than 97.60°F, we can use the Z-score formula to standardize the temperature value. The Z-score formula is:
Z = (X - μ) / σ

Where X is the value we are interested in (97.60°F), μ is the mean (98.60°F), and σ is the standard deviation (0.73°F).
Z = (97.60 - 98.60) / 0.73 = -1.37
Now, we can use the Z-score to find the probability. A Z-score of -1.37 corresponds to a percentile of approximately 0.0853, which means there is an 8.53% chance that an adult will have a body temperature lower than 97.60°F. Since we are interested in the probability of a temperature greater than 97.60°F, we need to subtract this value from 1:
1 - 0.0853 = 0.9147
As a whole number percentage, this would be 91%.

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given a seed for the random number generator, the desired size of the data set (from 3 to 500 inclusive), generate integer values ranging from 1 to 1000 (inclusive). each value in the data set represents the length

Answers

To generate a data set of integer values ranging from 1 to 1000 (inclusive) using a seed and a desired size between 3 and 500, you can utilize a random number generator. First, set the seed to ensure the reproducibility of the random numbers. Then, use the generator to create a data set of the desired size, where each value represents the length.

To generate a data set of integer values ranging from 1 to 1000 (inclusive) with a desired size and a given seed for the random number generator, you can use the following steps:

1. Set the seed for the random number generator using the given seed value.
2. Generate the desired size of the data set, using the random number generator to generate a random integer value between 1 and 1000 (inclusive) for each value in the set. You can do this using a loop or a list comprehension, depending on your preference.
3. Each value in the data set represents the length, so you can use the generated integer value directly as the length for that value.

Here's some sample Python code that shows how to generate a data set of size 10 with a seed of 12345:

```
import random

seed_value = 12345
size = 10

random.seed(seed_value)
data_set = [random.randint(1, 1000) for i in range(size)]
```

This code sets the seed value to 12345, generates a data set of size 10, and stores the resulting list of integers in the `data_set` variable.

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Select all of the measures grater than 7 feet.

Answers

Answer:

7ft

Step-by-step explanation:

need more information to the question

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