If events A and B are mutually exclusive and collectively exhaustive,what is the probability that event A occurs?
A)0.25
B)0.50
C)1.00
D)Cannot be determined from the information given.

Question

Quizplus · Accepted Answer

Since events A and B are mutually exclusive and collectively exhaustive, it means that one and only one of them will occur, but without knowing the specific probabilities of A and B, we cannot determine the probability of A occurring.

If Events a and B Are Mutually Exclusive and Collectively