If P(A∣B)=0.5P(A|B) = 0.5P(A∣B)=0.5, then P(A∩B)P(A \cap B)P(A∩B) is:
0.5P(B)0.5 P(B)0.5P(B)
0.5P(A)0.5 P(A)0.5P(A)
0.50.50.5
P(A)+P(B)−0.5P(A) + P(B) - 0.5P(A)+P(B)−0.5