Combinations
Combinations are permutations when the order doesn’t matter.That is when you just need to choose a certain number of items from a list. For example, when choosing a combination from...
Category: Counting Techniques
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Permutations
Permutations examine the number of ways a group of objects can be ordered, if you have n items, you will have n! ways in which they can be ordered.If you...
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Counting Principle
The Counting Principle tells us the number of ways 2, or more, experiments can be performed in orderIf there are only two situations, with the first one having M results...