What are two events that cannot happen at the same time called?

They are said to be mutually exclusive.

If two events can't happen at the same time then they are Mutually Exclusive

Mutually exclusive events.

It is called Mutually Exclusive Events. A good way to remember this is to think of two events that are happening at the same time and you can only attend one or the other as its not possible to be in two places at once.

Two events that cannot happen at the same time are called Mutually Exclusive.

Mutually exclusive events

In terms of statistical terms, when two events cannot happen simultaneously when one event supersedes the other, are called Mutually Exclusive events.

Such events are called "mutually exclusive".

Two events that cannot happen at the same time are called mutually exclusive.

Example - rolling a six sided dice

Let event A be that the dice lands on an odd number (1, 3, or 5).

Let event B be that the dice lands on an even number (2, 4, or 6).

Then we can say that A and B are mutually exclusive events because it is not possible for a dice to land on two numbers at once therefore the dice either lands on an odd number or an even number.

These events are called Mutually Exclusive events.

They are called mutually exclusive events

If two events cannot occur at the same time, they are mutually exclusive.

Mutually Exclusive Events

When two events cannot happen at the same time it is called mutually exclusive.

Mutually Exclusive events