Chapter 9 Review

For Exercises 1-3, use the spinner at the right. What is each probability written as a fraction in simplest form? 1. P(C)

• 1/8

• 1/6

• about 50%

• 6

Tags

CCSS.7.SP.C.7A

For Exercises 1-3, use the spinner at the right. What is each probability written as a fraction in simplest form? 2. P (vowel)

• 1/6

• about 33%

• 1/2

• 3

Tags

CCSS.7.SP.C.7A

For Exercises 1-3, use the spinner at the right. What is each probability written as a fraction in simplest form? 3. P (not D)

• 5

• 5/6

• about 0.63

• 1/6

Tags

CCSS.7.SP.C.7B

For Exercises 4-6, what is the total number of outcomes in each sample space? 4. picking a month of the year and tossing a coin

• 2

• 12

• 14

• 24

For Exercises 4-6, what is the total number of outcomes in each sample space? 5. rolling a number cube and tossing a nickel

• A. 2

• B. 6

• C. 8

• D. 12

For Exercises 4-6, what is the total number of outcomes in each sample space? 6. choosing a setting on a washing machine from regular, delicate, or extra dirty; hot, warm, or cold water; regular rinse or extra rinse

• 8

• 9

• 18

• 27

What is the total number of outcomes for choosing a number from 1 to 10 and a day of the week? Use the Fundamental Counting Principle.

• 10

• 17

• 63

• 70

A store is handing out coupons worth 10%, 15%, 20%, or 25% off. Each coupon is equally likely to be handed out. Which of the following models could be used to simulate this situation?

• flipping a coin four times

• spinning a spinner with four equal sections

• rolling a number cube labeled one through six one time

• rolling a number cube labeled one through six four times

Tags

CCSS.7.SP.C.8C

For Exercises 9 and 10, Bailey tossed a coin 10 times. The results were 7 heads and 3 tails. 9. What is the experimental probability of tossing tails?

• A. 1/3

• B. 3/10

• C. 3/7

• D. 1/2

Tags

CCSS.7.SP.C.6

What is the best comparison between the theoretical and experimental probability of tossing heads?

• The theoretical probability is greater than the experimental probability.

• The theoretical probability is less than the experimental probability.

• The theoretical probability is equal to the experimental probability.

• The theoretical probability is not related to the experimental probability.