Q. 5 A5.0( 4 Votes )

If A and B are two events such that

P (A) = 1/3, P (B)=1/4 and P(A B) = 5/12, find P (A/B) and P (B/A).

Answer :

We have, P (A) = , P (B)= and P(A B) =


We have, P (A B) = P (A)+ P (B)- P (A B)


Therefore, P (A B) = P (A)+ P (B) - P (A B)


= )


= {Make denominator same by taking LCM)


= (Answer)


Now, = = )


= (answer)


And = = = (answer)


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