If event A and event B cannot occur at the same time, then events A and B are said to be
A) mutually exclusive.
B) collectively exhaustive.
C) statistically independent.
D) none of the above

Question

Quizplus · Accepted Answer

The term "mutually exclusive" means that the occurrence of one event precludes the occurrence of the other. So if events A and B cannot occur at the same time, then they are mutually exclusive. Collectively exhaustive refers to a set of events that includes all possible outcomes. Statistically independent means that the occurrence of one event does not change the probability of the other event happening.

If Event a and Event B Cannot Occur at the Same