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Given two events A and B. If odds agains...

Given two events A and B. If odds against A are as 2 : 1 and those in favor of A `uu` B are as 3 : 1, then find the range of P(B).

A

`1/2leP(B)le3/9`

B

`5/12leP(B)le3/4`

C

`1/2leP(B)le3/5`

D

`1/3leP(B)le3/4`

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The correct Answer is:
B
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