Permutations Combinations Factorials & Probability

Learn about permutations, combinations, factorials and probability in this math tutorial by Mario's Math Tutoring. We discuss the formulas as well as go through numerous examples. We discuss the multiplication counting principle as well as distinct permutations of n objects.

00:00 Intro
0:12 What is a Permutation?
3:00 Formula for nPr Permutations of n Objects Taken r at a Time
5:30 Formula for nCr Combinations of n Objects Taken r at a Time
7:00 Distinguishable Permutations of "MATH"
9:42 Word (Story) Problems
15:08 Examples with Cards
18:22 Probability Story Problem Examples
18:40 Formula for Calculating Probability

Related Videos:

How to Use Permutations and Combinations
   • How to Use Permutations and Combinations  

Probability Examples with Cards
   • Probability Examples with Cards  

Probability vs Odds
   • Probability vs Odds  

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