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if P(A)= (4)/(5) and P(A nnB) = (7)/(10)...

if `P(A)= (4)/(5)` and `P(A nnB) = (7)/(10)` then P(B|A) is equal to

A

`(1)/(10)`

B

`(1)/(8)`

C

`(7)/(8)`

D

`(17)/(20)`

Text Solution

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The correct Answer is:
C
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NEW JOYTHI PUBLICATION-PROBABILITY-OBJECTIVE TYPE QUESTIONS AND SOLUTIONS
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  15. If the events A and B are independent, then P( AnnB) is equal to

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