Procedural Steps for Combinations and Permutations
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1) How many different ways can a teacher select 2 books from a possible 17 books?
2) How many different ways can be made from a test bank of 20 questions if the test consists of 5 questions?
3) How many different ways can 4 tickets be selected from 50 tickets if each tickets wins a different prize?
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Solution Summary
This provides three examples of working with combinations and permutations.
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These are examples of permutations and combinations problems.
The problems can be solved in two ways depending on the assumptions.
Assumption 1 below is an example of a combination.
For example how many different committees of three students can be chosen from a group of 10?
Therefore,
10!
---
3!7!
which ...
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