Counting techniques

Counting techniques

Permutation

Combination

Rule of product

Rule of addition

It is used when the different ways an event can happen, these can be added.

It is used when the events are sequential, it is made up by events that occur in an orderly manner.

It is an arrangement of several elements in which it is important to take into account their order and their position.

It is used when the order of the elements of a set are not important

It results when the elements of a set are ordered in rows or groups.