## Homework Hints 12-1

[tippy title=”Problems 1-2″]Problems 1-2
These problems provide the main ideas for this section.
Be sure you know the formula for combinations.[/tippy]

[tippy title=”Problems 3-32″]Problems 3-32
Use the formula for permutations to answer these questions. See Examples 5, 6 and 9.[/tippy]… See the whole entry

## 12.3 Outline

1. Distinguish permutations and combinations
2. License plate problem
3. Which method?

## 12.3 Essential Ideas

Fundamental Counting Principle
If one task can be performed in m ways, and if, after that task is completed, a second task can be performed in … See the whole entry

## 12.1 Outline

1. Election problem
1. tree diagram
2. fundamental counting principle
3. arrangement
4. ordered pair/ordered triple
5. define permutation
6. notation for permutations
7. evaluating permutations
2. Factorial
1. definition
2. multiplication property of factorials
3. count-down property
4. permutation formula
3. Distinguishable permutations
1. indistinguishable items
2. distinguishable items
3. formula for distinguishable permutations
See the whole entry