If E and F are events such that P(E)=41,P(F)=21andP(EandF)=81, find (i) P(EorF), (ii) P(−Eand−F).

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If E and F are events such that {P}{({E})}={{1}}{{4}},{P}{({F}

Question

If E and F are events such that $P (E) = \frac{1}{4}, P (F) = \frac{1}{2} and P (E and F) = \frac{1}{8},$ find (i) $P (E or F)$ , (ii) $P (- E and - F) .$

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Jack Discussed

If E and F are events such that

P (E) = \frac{1}{4}, P (F) = \frac{1}{2} and P (E and F) = \frac{1}{8},

find (i)

P (E or F)

, (ii)

P (- E and - F) .

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Question Text

If E and F are events such that

P (E) = \frac{1}{4}, P (F) = \frac{1}{2} and P (E and F) = \frac{1}{8},

find (i)

P (E or F)

, (ii)

P (- E and - F) .