Q. 85.0( 1 Vote )

If A and B are mu

Answer :

Since the event are mutually exclusive the intersection is 0.

Thus P(AUB) = P(A)+P(B)

⇒ P(AUB) = P(A)+3.P(A)

⇒ 1 = 4.P(A)

P(A) =

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