Basic Counting
Rule;
Permutations;
Combinations
Review
Examples
5.1
Lecture 5
Basic Counting Rule; Permutations;
Combinations
Text: A Course in Probability by Weiss 3
.
1
∼
3
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3
STAT 225 Introduction to Probability Models
January 8, 2014
Whitney Huang
Purdue University
Basic Counting
Rule;
Permutations;
Combinations
Review
Examples
5.2
Agenda
1
Review
2
Examples
Notes
Notes
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Basic Counting
Rule;
Permutations;
Combinations
Review
Examples
5.3
Review
1
Basic Counting Rule
2
Factorial
3
Permutation
4
Combination
5
Ordered Partition
Basic Counting
Rule;
Permutations;
Combinations
Review
Examples
5.4
Example 15
Illinois license plates consist of 4 digits followed by 2
letters. Whereas, in Ohio, license plates start with 3
letters and end with 4 digits. Assume all letters are
capitals (without loss of generality).
1
For each state, how many possible license plates are
there?
2
How many possible license plates are there for each
state if no digit or letter is allowed to repeat?
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 Spring '08
 MARTIN
 Counting, Probability, Purdue University, Basic Counting, Whitney Huang

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