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

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
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