Which of the following equalities gives the necessary and sufficient condition for…

MATHEMATICS · Single correct · CBSE · Mathematics · Probability · Probability

Problem

Which of the following equalities gives the necessary and sufficient condition for two events

A

and

B

to be independent? (a)

P(A\cap B)=P(A)+P(B)

(b)

P(A\cap B)=P(A)P(B)

(c)

P(A\cap B)=0

(d)

P(A\cap B)=\dfrac{P(A)}{P(B)}