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Probability: Credit CardCredit card companies have aggressively solicited new accounts from students who are new homeowners. Suppose that a sample of 150 new homeowners indicated the following information as to whether they possessed a Visa Card or an American Express Card.
American Express CardYes | No | TotalYes 60 | 40 | 100Visa Card No 20 | 30 | 50Total 80 | 70 | 150
If a student is selected at random, what is the probability that
a. The new homeowner has a Visa credit card?
b. The new homeowner has an American Express card?
c. The new homeowner has a Visa credit card and an American Express Card?
d. The new homeowner has neither a Visa credit card nor an American Express Card?
e. The new homeowner has a Visa credit card or an American Express Card?
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