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Lecture4

# Lecture4 - Basic Counting Rule Permutations Combinations...

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Basic Counting Rule; Permutations; Combinations Basic Counting Rules Permutations Combinations 4.1 Lecture 4 Basic Counting Rule; Permutations; Combinations Text: A Course in Probability by Weiss 3 . 1 3 . 3 STAT 225 Introduction to Probability Models January 8, 2014 Whitney Huang Purdue University Basic Counting Rule; Permutations; Combinations Basic Counting Rules Permutations Combinations 4.2 Agenda 1 Basic Counting Rules 2 Permutations 3 Combinations Notes Notes

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Basic Counting Rule; Permutations; Combinations Basic Counting Rules Permutations Combinations 4.3 Basic Counting Rule The Basic Counting Rule is used for scenarios that have multiple choices or actions to be determined. Basic Counting Rule; Permutations; Combinations Basic Counting Rules Permutations Combinations 4.4 Factorial Definition The factorial of a non–negative integer n , denoted by n ! , is the product of all positive integers less than or equal to n . Example: 5 ! = 5 × 4 × 3 × 2 × 1 = 120 Convention: 0 ! = 1 Notes Notes
Basic Counting Rule; Permutations; Combinations

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