Permutation and Combination
Combination
is an arrangement of outcome in which order does not matter
Subtopic
![](https://i.ytimg.com/vi/blXQ4RMwEaQ/maxresdefault.jpg)
Permutation
is an arrangement of outcome in which order does matter
Subtopic
![Subtopic](https://i.ytimg.com/vi/wf7PB1WkAv8/maxresdefault.jpg)
Subtopic
Fundamental Counting Principle
is a way to figure out the number of outcomes in a probability problem
Factorial Notation
![](https://4.bp.blogspot.com/-mkL-M2psWKM/VlAPF8N9moI/AAAAAAAACII/sAzyjyt1JDU/s400/g.jpg)