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Let A, B, C be three events such that P(A∩B∩C)=0, P(Exactly one of A and B occurs) = x, P (exactly one of B and C occurs) = y, P(Exactly one of A and C occurs) = z. Then P(A∪B∪C) = ____________.

Answer» Let A, B, C be three events such that P(ABC)=0, P(Exactly one of A and B occurs) = x, P (exactly one of B and C occurs) = y, P(Exactly one of A and C occurs) = z. Then P(ABC) = ____________.


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