Sale!

\$5.00

## Description

1.Question

The graph below shows the graphs of several normal distributions, labeled A, B, and C, on the same axis. Determine which normal distribution has the largest standard deviation. Ans.

2.Question

Gail averages 64 words per minute on a typing test with a standard deviation of 9.5 words per minute. Suppose Gail’s words per minute on a typing test are normally distributed. Let X= the number of words per minute on a typing test. Then X∼N(64,9.5).

If necessary, round to three decimal places.

3.Question

The graph below shows the graphs of several normal distributions, labeled A, B, and C, on the same axis. Determine which normal distribution has the largest mean. Ans.

4.Question

Annie averages 23 points per basketball game with a standard deviation of 4 points. Suppose Annie’s points per basketball game are normally distributed. Let X= the number of points per basketball game. Then X∼N(23,4).

Ans:

5.Question

Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers. 6.Question

Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers. 7.Question

Lexie averages 149 points per bowling game with a standard deviation of 14 points. Suppose Lexie’s points per bowling game are normally distributed. Let X= the number of points per bowling game. Then X∼N(149,14).

Ans:

8.Question

Suppose X∼N(12.5,1.5), and x=11. Find and interpret the z-score of the standardized normal random variable.

Ans:

9.Question

Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers. Ans.

10.Question

Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers. 11.Question

Given the plot of normal distributions A and B below, which of the following statements is true? Select all correct answers. Ans:

12.Question

Rosetta averages 148 points per bowling game with a standard deviation of 14 points. Suppose Rosetta’s points per bowling game are normally distributed. Let X= the number of points per bowling game. Then X∼N(148,14).

Ans:

13.Question

Suppose X∼N(16.5,0.5), and x=16. Find and interpret the z-score of the standardized normal random variable.

Ans:

14.Question

John averages 58 words per minute on a typing test with a standard deviation of 11 words per minute. Suppose John’s words per minute on a typing test are normally distributed. Let X= the number of words per minute on a typing test. Then X∼N(58,11).

Ans:

Kindly click  ADD TO CART  above to access the full sample at only \$5