If P (A and B)= 1,then A and B must be mutually exclusive.

Name: If P (A and B)= 1,then A and B must be mutually exclusive.
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Quizplus · Accepted Answer

If P(A and B) = 1, it simply means that event A and event B occur together every time. It does not imply that they are mutually exclusive. For example, if A represents getting heads on a coin toss and B represents getting tails on the same coin toss, then P(A and B) = 0 and they are not mutually exclusive.

If P (A and B)= 1,then a and B Must