Consider two events that are mutually exclusive, that is, if one occurs, the other cannot occur. The probability that either one will occur is ________, and the probability that both will occur is ________.
A) one; zero
B) the product of their probabilities; one
C) one; the product of their probabilities
D) the sum of their probabilities; zero

Question

Quizplus · Accepted Answer

The probability that either of two mutually exclusive events will occur is the sum of their individual probabilities, and the probability that both will occur is zero, since mutually exclusive events cannot happen together.

Consider Two Events That Are Mutually Exclusive, That Is, If