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If P(A) =0,8 ,P(B) =0.5 and P(B//A) =0.4...

If `P(A) =0,8 ,P(B) =0.5` and `P(B//A) =0.4` then `P( A//B)=?`

A

`0.32`

B

`0.64`

C

`0.16`

D

`0.25`

Text Solution

Verified by Experts

The correct Answer is:
B
`P(B//A) =(P(B nn A))/(P(A))=(P(AnnB))/(P(A))`
`rArr P(A nn B) =P(B//A).P(A)=(0.4xx 0.8) =0.32`
`hArr P(A//B) =(P(A nnB))/(P(B)) =(0.32)/(0.5) =0.64`
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  14. If A and B are independent events then P(bar(A)//bar(B)) =?

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