I. The events A and B are mutually exclusive. If P(A) = 0.1 and P(B) = 0.3 , what is P(A or B)? II. The events A and B are mutually exclusive. If P(A) = 0.1 and P(B) = 0.5, what is P(A and B)? III. suppose that A and B are two events. If P(A and B) = 0.28 and P(A) =0.9, what is P(B|A)

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