Question

p(a)·p(b | a)=p(a and b). (b) select the probability that is equal to p(a and b). p(a) p(b) p(a)·p(b | a) p(b | a)

Explanation:

Step1: Recall the multiplication - rule of probability

The multiplication rule of probability states that $P(A\cap B)=P(A)\cdot P(B|A)$.

Answer:

$P(A)\cdot P(B|A)$