1. Chapter 11
L11-2 Notes:
Outcomes

2. Vocabulary
The set of all possible outcomes is called the sample space.
A tree diagram is a diagram that shows all possible outcomes of an event.

3. Example
                                                                                                                                    
How many outfits are possible from a choice of jean or khaki shorts and a choice of a yellow, white, or blue shirt?

4. Probability
When you know the number of outcomes, you can easily find the probability that an event will occur.

5. Example
Lexi spins two spinners. What is the probability of spinning red on the first spinner and blue on the second spinner?

6. On Your Own…
1. Use a tree diagram to find how many different words can be made using the words quick, slow, and sad and the suffixes -ness, -er, and -ly.
2. A penny is tossed, and a number cube is rolled. Use a tree diagram to find the probability of getting heads and a 5.

7. Example
The names of three bulldog puppies are shown. In how many different ways can a person choose two of the three puppies?
List all of the ways two puppies can be chosen.
From the list count only the different arrangements. In this case, AB is the same as BA. There are 3 ways to choose two of the puppies.

8. On Your Own…
3. How many different ways can a person choose three out of four puppies?