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I was able to figure out the first question, I need help with the second question!

1) Let A and B be two events. Is the statement P(A|B) + P(AIB)= 1 always true? Prove or give a counterexample. 3) Ann and Bob

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Answer #1

Answer : 1) p(A|B) + p(A|B') = p(A) , so the given statement is true only when p(A) =1.

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