Question: For events A and B, find formulas for the probabilities of the following events in terms of the quantities P(A), P(B), and P(A B).

For events A and B, find formulas for the probabilities of the following events in terms of the quantities P(A), P(B), and P(A ∩ B).
(a) Either A or B or both
(b) Either A or B but not both
(c) At least one of A or B
(d) At most one of A or fl

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a A or B or both is A B From Theorem 129b we have PA B PAPBPAB b A or B ... View full answer

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