Ononot — Let A and B be two events in a sample space \Omega such that

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Conditional Probabilityhard

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Let $A$ and $B$ be two events in a sample space $\Omega$ such that $P(A) = 0.55$ , $P(B) = 0.45$ , and $P(A \cap B) = 0.20$ . If an experiment yields a result in $(A \cup B)^c$ , what is the probability that the result was in $A^c \cap B^c$ ?