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If E and F are any two events such that ...

If E and F are any two events such that P(E) + P(F) - P(E and F) = P(E) Then (A) P(F/E) = 1 , (B) P(E/F) = 1 , (C) P(F/E) = 0 , (D) P(E/F) = 0.

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