MATHEMATICS · Single correct · CBSE · Mathematics · Probability · Probability
Problem
For two events A and B, which of the following equalities must hold if and only if A and B are independent?
(a) P(A∩B)=P(A)+P(B)
(b) P(A∩B)=P(A)P(B)
(c) P(A∩B)=0
(d) P(A∣B)=P(B)