When events A and B are mutually exclusive but not exhaustive, p ( A or B ) equals _________.
A) 0.50
B) 0.00
C) 1.00
D) cannot be determined from the information given

Question

Quizplus · Accepted Answer

When events are mutually exclusive, they cannot happen at the same time, but being non-exhaustive means they don't cover all possible outcomes. Therefore, without additional information about the probabilities of A and B, the probability of A or B cannot be determined.

When Events a and B Are Mutually Exclusive but Not