If either event A or event B must occur,then events A and B are said to be
A) collectively exhaustive.
B) mutually exclusive.
C) statistically independent.
D) None of the above.

Question

Quizplus · Accepted Answer

Events A and B are said to be collectively exhaustive if they cover all possible outcomes. This means that if either event A or event B must occur, then one of these events will always happen. Therefore, events A and B are collectively exhaustive. Mutually exclusive events cannot occur at the same time, and statistically independent events are not influenced by each other. None of these options apply to events A and B when one must occur.

If Either Event a or Event B Must Occur,then Events