Permutations
In these lessons, we will learn about permutations how to solve permutation with and without repetitions.
Related Pages
Permutations
Permutations and Combinations
Permutations P(n,r)
Permutations & Probability
Probability
What Is Permutation?
In statistics, in order to find the number of possible arrangements of a set of objects, we use a concept called permutations. There are methods for calculating permutations, and it’s important to understand the difference between a set with and without repetition. Other important concepts that can apply to situations like permutations are the fundamental counting principal and basic probability.
How to find the number of permutations of a set?
Evaluating Factorials
Use permutations to solve problems. Determine the number of permutations with indistinguishable items.
If you are not familiar with the n! (n factorial notation) then have a look the factorial lessons.
Counting Using Permutations
Basic info on permutations and word problems using permutations are shown.
Permutations Involving Repeated Symbols - Example 1
This video shows how to calculate the number of linear arrangements of the word
MISSISSIPPI (letters of the same type are indistinguishable). It gives the
general formula and then grind out the exact answer for this problem.
Permutations Involving Repeated Symbols - Example 2
Basic info on permutations and word problems using permutations are shown.
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