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If E and F are two events such that P(E)...

If E and F are two events such that `P(E)=1/4, P(E)=1/2 and P(E and F)=1/8`. Find P (not E and not F).

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If E and F are two events such that P(E)=1/4 , P(F)=1/2 and P(E and F)=1/8 .Find P(not E and not F)

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