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It is given that the events A and B are ...

It is given that the events A and B are such that `P(A)=1/4, P(A/B)=1/2"and"p(B/A)=2/3dot` Then P(B) is: (1) `1/6` (2) `1/3` (3) `2/3` (4) `1/2`

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