Problem

A random sample of size n = 80 is selected from a binomial distribution with population...

A random sample of size n = 80 is selected from a binomial distribution with population proportion p = .25.

a. What will be the approximate shape of the sampling distribution of ?

b. What will be the mean and standard deviation (or standard error) of the sampling distribution of ?

c. Find the probability that the sample proportion is between .18 and .44.

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Solutions For Problems in Chapter 7

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