A department store has determined that 25% of all their sales are credit sales. A random sample of 60 sales is selected. a. Describe the sampling distribution of pˆ and explain why (justify). b. What...

A department store has determined that 25% of all their sales are credit sales. A random sample of 60 sales
is selected.

a. Describe the sampling distribution of pˆ and explain why (justify).

b. What is the probability that the sample proportion will be less than 27%?