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    Statistical probability calculations

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    Solve for Random Probability

    (See attached file for full problem description)

    Credit 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 Card

    Yes No Total
    Yes 60 40 100

    Visa Card No 20 30 50

    Total 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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