Q. 64.3( 3 Votes )

If A and B are two events such that 2P (A) = P (B) = 5/13 and P (A/B) = 2/5, find P (A B).

Answer :

We have, 2P (A) = P (B) =

2P (A) =

P (A) = =

Now, we need P (A B)

We have, =

P (A B) =



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


(taking lcm as 26 is common factor)

= (answer)

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