Q. 52

Mark the correct alternative in each of the following:

If two events are independent, then

A. they must be mutually exclusive

B. the sum of their probabilities must be equal to 1

C. (a) and (b) both are correct

D. none of the above is correct

Answer :

Let A and B be two independent events, then,


P(AB) = P(A) P(B)


P(AB) 0 Not mutually exclusive


Or,


P(A) + P(B) 1 Their sum of probabilities is not 1


None of the above is correct.

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