Events AAA and BBB are such that P(A∣B)=P(B∣A)P(A|B) = P(B|A)P(A∣B)=P(B∣A). Which of the following is equivalent to P(A)=P(B)P(A) = P(B)P(A)=P(B)?
P(A∩B)>0P(A \cap B) > 0P(A∩B)>0
AAA and BBB are disjoint
P(A∪B)=1P(A \cup B) = 1P(A∪B)=1
P(A∣B)=1P(A|B) = 1P(A∣B)=1