Question : Let A and B be two events. Suppose P(A) = 0.4, P(B) = p and P(AUB) = 0.7. The value of p for which A and B are independent is
(A) 1/3
(B) 1/4
(C) 1/2
(D) 1/5
Answer : option (C)
Solution :
Let A and B be two events. Suppose P(A) = 0.4, P(B) = p and P(AUB) = 0.7. The value of p for which A and B are independent is
with
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