If for two events and with positive probabilities

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

Problem

P(A\mid B)=1

for two events

A

and

B

with positive probabilities, which of the following must be true? (a)

A\subseteq B

(b)

B\subseteq A

(c)

P(A)=1

(d)

P(A)=P(B)