# If event 'a' and 'b' cannot occur at the same time, then a and b are said to be?

Two events in probability are mutually exclusive if they do not occur at the same time.

## Answer: if event 'a' and 'b' cannot occur at the same time, then a and b are said to be mutually exclusive events.

Let's find out the answer with an example.

**Explanation: **

Let's understand this with an example,

Like when we toss a coin, either a head will come or a tail will come. These two events cannot occur simultaneously.

Therefore, getting a head or a tail on tossing a coin are mutually exclusive events.