In a given experiment the probabilities of mutually exclusive events sum to:
A) 0
B) 0.5
C) 1
D) This cannot be answered without knowing the probability values of the events.

Question

Quizplus · Accepted Answer

Mutually exclusive events cannot occur together, so their probabilities cannot overlap. Therefore, the sum of their probabilities is equal to the total probability of all possible outcomes, which is 1.

In a Given Experiment the Probabilities of Mutually Exclusive Events