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If A and B are two events such that `P(A uu B) = 3//4, P(A nn B)=1//4` and `P(barA)=2//3`, then P(B) is equal to:

A

`1//3`

B

`2//3`

C

`1//9`

D

`2//9`

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The correct Answer is:
B
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