If P(A)=0.5P(A) = 0.5P(A)=0.5 and P(B∣A)=0.2P(B|A) = 0.2P(B∣A)=0.2, what is P(A∩B)P(A \cap B)P(A∩B)?
0.10.10.1
0.250.250.25
0.70.70.7
0.40.40.4