(P4.50)- Suppose that P(A) = .3 and P(B) = .5. If events A and B are mutually.......

(P4.50)- Suppose that P(A) = .3 and P(B) = .5. If events A and B are mutually exclusive, find these probabilities:

a. P(A / B) b. P(A U B)

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