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A student must choose exactly two out of three electives: [#permalink]
04 Nov 2003, 12:38
A student must choose exactly two out of three electives: art, French, and
mathematics. He chooses art with probability 5/8, French with probability
5/8, and art and French together with probability 1/4. What is the probability that he chooses mathematics? What is the probability that he chooses either art or French?