If P(A)=0.5,P(B)=0.5P(A)=0.5, P(B)=0.5P(A)=0.5,P(B)=0.5 and P(A∩B)=0.25P(A \cap B)=0.25P(A∩B)=0.25, which of the following is correct?
AAA and BBB are independent
AAA and BBB are mutually exclusive
P(A∣B)=0P(A|B) = 0P(A∣B)=0
P(A∪B)=1P(A \cup B) = 1P(A∪B)=1