Question 935258: How to find order in probability
Answer by Rosseta786(21)   (Show Source):
You can put this solution on YOUR website! The Fundamental Counting Principle finds the number of permutations and combinations as follows:
When choosing k of n objects, the number of permutations is
When choosing k of n objects, the number of combinations is
The factorial formulas calculate permutations and combinations this way:
When choosing k of n objects, the number of permutations is
When choosing k of n objects, the number of combinations is
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