Counting Techniques

The Multiplication Principle

The multiplication principle is that if there are x amount of ways of doing an action and y ways of doing another action then to combine those to actions you multiply x times y

Permutations

Permutations are groupings where the order matters in how the objects are grouped. the formula to solve for permutations is:

Combinations

Combinations are groupings where the order does not matter in how the objects are grouped. The formula to solve for combinations is:

Tree Diagrams

Tree diagrams are useful for looking at any sort of grouping as it allows for a good visual of the different combinations that can occur.

Simply Statistics