If P(A∣B)=0.8P(A|B) = 0.8P(A∣B)=0.8 and P(A∩B)=0.4P(A \cap B) = 0.4P(A∩B)=0.4, what is P(B)P(B)P(B)?
0.32
0.5
2
0.6