Suppose That for a Certain Experiment P(B) $= 0.5 \text { and } P ( A \mid B ) = 0.2 \text {. Find } P ( A \cap B )$

Suppose that for a certain experiment P(B) $= 0.5 \text { and } P ( A \mid B ) = 0.2 \text {. Find } P ( A \cap B )$

A) 0.1
B) 0.4
C) 0.3
D) 0.7