3.74 An experiment results in one of three mutually exclusive events A, B, and C. It is known that P(A) = .30, P(B) = .55, and P(C) = .15, Find each of the following probabilities: а. Р(AU B) b. P(AN B)) с. Р(A|В) d. P(BUC)) e. Are B and C independent events? Explain.

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