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If E and F are events such that P(E)=1/4...

If E and F are events such that `P(E)=1/4, P(F)=1/2` and `P(E"and"F)=1/8`, find (i) `P(E"or"F)` (ii) `P` (not E and not F).

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The correct Answer is:
a. (i) `5/8` (ii)`3/8` (b)`3/4`
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