Mutually exclusive is a term in statistics that describes two or more events or factors that cannot occur within the same time and place.

A mutually exclusive compound event is when two events cannot happen at the same time. If two events, A and B, are mutually exclusive, then the probability that either A or B occurs is the sum of ...

Probability is used in everyday life. For example, in medicine in determining the chance of a drug working and by insurance companies in determining the cost of car insurance for different age groups.