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Assume a binomial distribution where n = 3 and ? = .60.a.
Chapter 6, Problem 11E(choose chapter or problem)
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