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) 0.7
C) 0.4
D) 0.3