P[A]=3/4, P[B]=1/2 and P[A∪B]=1/4. Find P[A)”B] and P[A/B]. – InterviewSolution

1.

P[A]=3/4, P[B]=1/2 and P[A∪B]=1/4. Find P[A)”B] and P[A/B].

Answer»

We know that; P(A ∪ B) = P(A) + P(B) – P(A ∩ B)

1/4 = 3/4 + 1/2 – P(A ∩ B)

P(A ∩ B) = 3/4 + 1/2 – 1/4

∴ P(A∩B) = 1/2 = 0.5

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