Ononot — Let A and B be two events in a probability space. If P(A) =

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Conditional Probabilityhard

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Let $A$ and $B$ be two events in a probability space. If $P(A) = 0.4$ , $P(B) = 0.5$ , and $P(A|B) = P(A|B^c)$ , which of the following must be true?