Assume a binomial distribution where n = 3 and ? = .60.a.

Chapter 6, Problem 11E

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QUESTION:

Problem 11E

Assume a binomial distribution where n = 3 and π = .60.

a. Refer to Appendix B.9, and fist the probabilities for values of x from 0 to 3.

b. Determine the mean and standard deviation of the distribution from the general definitions given in formulas (6–1) and (6–2).

Questions & Answers

QUESTION:

Problem 11E

Assume a binomial distribution where n = 3 and π = .60.

a. Refer to Appendix B.9, and fist the probabilities for values of x from 0 to 3.

b. Determine the mean and standard deviation of the distribution from the general definitions given in formulas (6–1) and (6–2).

ANSWER:

Solution

Step 1 of 2

Given that assume a binomial distribution with n=3 and

The pmf of binomial distribution is

a) From the appendix B.9 we have to find the probabilities for the values of x from 0 to 3

From the appendix the probabilities for the values of x from 0 to 3 are

                                     

                                     

                                     

                                     


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