## Homework Hints 12-3

Problems 1-2
There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax; do not be afraid to give your opinion. For the most part, these questions do not have “right” or “wrong” answers. You should spend … See the whole entry

## Homework Hints 12-2

Problems 1-2
There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax; do not be afraid to give your opinion. For the most part, these questions do not have “right” or “wrong” answers. You should spend … See the whole entry

## Homework Hints 12-1

Problems 1-2
These problems provide the main ideas for this section.
Be sure you know the formula for combinations.

Problems 3-32
Use the formula for permutations to answer these questions. See Examples 5, 6 and 9.

Problems 33-42
These are … See the whole entry

## 12.3 Outline

1. Distinguish permutations and combinations
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

## 12.2 Outline

1. Committee problem
1. definition
2. combination formula
3. deck of cards
2. Pascal’s triangle
1. n choose r
2. table entries
3. Counting with the binomial theorem
1. binomial theorem
2. number of subsets

## 12.2 Essential Ideas

Combinations
A combination of r elements selected from a … See the whole entry