Q. 595.0( 1 Vote )

If P(A) = 2|5, P( A. 5|6

B. 5|7

C. 25|42

D. 1

Correct

Answer :

We have,


P(A’|B’) × P(B’) = P(A’ B’)


…(i)


P(B’|A’) × P(A’) = P(B’ A’)


…(ii)


On multiplying eq. (i) and (ii), we get




[P(A’ B’) = P[(A B)’]= 1 – P(A B)]




[Additive law of Probability]









Hence, the correct option is C

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