Question: According to a recent survey, 70% of all customers will return to K-mart (assuming they are still open). Suppose eight customers are selected at random, what is the probability that :

a. Exactly five of the customers will return?

b. All eight will return?

c. At least seven will return?

d. At least one will return?

e. How many customers would be expected to return to Wal-Mart?