Suppose A and B are two events. Event B has occurred and it is known that P(B) < 1. What is P(A | B') equal to ?
(P(A) – P(B)) / (1 – P(B))
(P(A) – P(AB)) / (1 – P(B))
(P(A) + P(Bc)) / (1 – P(B))
None of the above
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