Which statement is true about mutually exclusive events?
A)If events A and B cannot occur at the same time, they are called mutually exclusive.
B)If either event A or event B must occur, they are called mutually exclusive.
C)P(A) + P(B) = 1 for any events A and B that are mutually exclusive.
D)None of these.

Question

Quizplus · Accepted Answer

Mutually exclusive events are events that cannot occur at the same time or they have no outcomes in common. Therefore, statement A is true. Statement B is incorrect because mutually exclusive events cannot both occur. Statement C is incorrect because the sum of probabilities for mutually exclusive events is not necessarily equal to one. Therefore, the correct option is A.

Which Statement Is True About Mutually Exclusive Events