Question: if a and b are mutually exclusive events and p(a) 0 p(b) 0 then they are?
Answer: Definitions and Notation Two events are mutually exclusive or disjoint if they cannot occur at the same time. The probability that Event A occurs, given that Event B has occurred, is called a conditional probability. ... If Events A and B are mutually exclusive, P(A ∩ B) = 0.