Chapter 9 Test Review

Chapter 9 Test Review

Probability

3-2-1

• Describe 3 important things from this chapter

• List 2 real world applications

• Give 1 question you still have

9.1 Simple Events

• Write a one sentence summary of this section and give one key example.

A bag contains 6 red, 3 pink, and 3 white bows. Suppose you draw a bow at random. Find the probability of each

event.1. P(red)

2. P(red or white)

3. P(not white)

9.2 Tree Diagrams p 374


Make a tree diagram for each situation. Then give total outcomes.• Rolling a number cube and then

tossing a coin• Choosing a red, blue, or white shirt

with either black or gray lettering• Choosing from white, wheat, or rye

bread and turkey, ham, or salami to make a sandwich

9.3 The Fundamental Counting Principle p 378


Use the Fundamental Counting Principle to find the total number of

outcomes in each situation

1. Rolling 2 number cubes

2. Selecting a car from 3 styles, 3 interior colors, and 3 exterior colors

3. Making an ice cream sundae selecting from 5 flavors of ice cream and 4 different toppings

• One catalog offers a jogging suit in two colors, gray and black. It comes in sizes S, M, L, XL, and XXL. How many possible jogging suits can be ordered?

9.4 Permutations p 381


9.5 Combinations p386


1. A school fair holds a raffle with 1st, 2nd, and 3rd prizes. Seven people enter the raffle. How many ways can the three prizes be awarded?

2. How many different 5-digit zip cods are there if no digit is repeated?

3. How many different three-digit security codes can be made from the digits 1, 2, 3, 4, and 5 if no digit is repeated in a code?

4. A team of bowlers has five members who bowl one at a time. In how many orders can they bowl?

5. Adam can select from seven paint colors for her room. She wants to choose 2 colors. How many different pairs of colors can he choose?

6. Coach Malone has an 8-member volleyball team. He told his team that he would start six different players every game. How many games would it take to do this?

1. Find the number of ways that a 3-member committee can be chosen from a 7-member club.

2. Given 12 web sites, how many ways can you visit half of them?

3. How many ways can 10 students finish first, second, or third at the science fair?

4. How many ways can seven students line up to buy concert tickets?

5. How many ways can you select four essay questions out of a total of 10 on the exam?

6. In a Battle of the Bands contest, how many ways can the four participating bands be ordered?

7. In how many ways can a softball manager arrange the first four batters in a lineup of nine players?

8. In how many ways can four paintings be displayed from a collection of 15?

9.6 Theoretical and Experimental Probability p391


The results of spinning a spinner labeled A-E fifty times are given. Find the experimental probability of each.

• P(A)

• P(D)

• P(E)

• If the spinner is equally likely to land on each section, what is the theoretical probability of landing on B?

Letter Frequency

A 8

B 17

C 9

D 6

E 10

9.7 Independent and Dependent Events p 398


A bag contains 6 green, 8 white, and 2 blue counters. Find the probability for each outcome when the first counter is replaced and then when the counter is

not replaced.

• A green counter then a white counter

Replaced= Not replaced=

• 3 white counters in a row

Replaced= Not replaced=

State whether each event is independent or dependent

• Tossing four coins• Larry’s sock drawer contains 8 blue

and 5 black socks. He randomly pulls out two socks.

• One letter is chosen from the word prime and a letter is chosen from the word math.

Quadrant Card

1 main idea from this chapter

1 Example

1 ApplicationOne question you still

have.

Work on handout with a partner

Technology

Chapter 9 Test Review