Question

What does it mean for two or more events to be mutually exclusive?

Short answer

The intersection of events that are mutually exclusive equals zero. The reason being they don't share a common territory.

Step-by-step solution

Step 1. Given information.

The given statement is:

What does it mean for two or more events to be mutually exclusive.

Step 2. Define what is mean for two or more events to be mutually exclusive 

Mutually exclusive events can be defined as those non-empty events which are defined on the same sample space, with no common elements between them.

Consider the below-given diagram:

The intersection of events that are mutually exclusive is zero. Because they don't share a common territory with each other.