If P(AcapB)=0.2P(A \\cap B) = 0.2P(AcapB)=0.2 and P(B)=0.4P(B) = 0.4P(B)=0.4, what is P(A∣B)P(A|B)P(A∣B)?
frac24\\frac{2}{4}frac24
frac14\\frac{1}{4}frac14
frac34\\frac{3}{4}frac34
0.50.50.5