The credit card industry depends heavily on mail solicitation to attract new customers. In 1994, the industry sent out 2.4 billion pieces of mail and incurred postage costs of ncarly $500 million

(Forbes, Sept. 11,1995). The table on page 125 lists the number of credit card accounts outstanding on June 30,1995. for the top 15 credit card companies. One of these 177.5 million accounts is to be selected at random and the credit card company holding the account is to be identified.

a. List or describe the sample points in this experiment.

b. Find the probability of each sample point.

c. What is the probability that the account selected belongs to a nontraditional bank? A traditional bank?