Factorials, Permutations, and Combinations

Let's learn to count. Factorials, permutations, and combinations all rely on the terribly important Fundamental Counting Principle. Make it your friend! If this vid helps you, please help me a tiny bit by mashing that 'like' button. For more statistics joy, crush that 'subscribe' button!

[roosterslayer]

I could not have been more fortunate than to have had this video first in my search return. What a fantastic job explaining this, Andrew.