If P(AcapB)=0.2P(A \\cap B) = 0.2P(AcapB)=0.2 and P(B)=0.7P(B) = 0.7P(B)=0.7, what is P(A∣B)P(A|B)P(A∣B)?
frac17\\frac{1}{7}frac17
frac37\\frac{3}{7}frac37
frac27\\frac{2}{7}frac27
0.50.50.5