Which expression defines P(A∣B)P(A|B)P(A∣B) when P(B)>0P(B) > 0P(B)>0?
P(A∩B)/P(B)P(A \cap B) / P(B)P(A∩B)/P(B)
P(A∩B)/P(A)P(A \cap B) / P(A)P(A∩B)/P(A)
P(A)/P(B)P(A) / P(B)P(A)/P(B)
P(A∪B)−P(B)P(A \cup B) - P(B)P(A∪B)−P(B)