Unit 6 Study Guide - Probability

What is the probability of rolling a 3 on a number cube?

• 1/6

• 2/6

• 3/6

• 3/6

Tags

CCSS.7.SP.C.7A

A spinner is divided into 10 congruent sections, numbered 1 through 10.

If Cleo spins the spinner once, what is the probability that it will land on

a multiple of 2?

• 1/5

• 1/4

• 2/5

• 1/2

Tags

CCSS.7.SP.C.7B

Dennis took 12 index cards and wrote the numbers 1–12 on them, one number on each card. He then collected the cards, shuffled them, and drew one card from the stack. What is the probability that the number on the card is less than 13?

• 0

• 1/12

• 1/2

• 1

Tags

CCSS.7.SP.C.5

Which describes the probability of tossing a number greater than 1 on a number cube with faces labeled 1-6?

• impossible

• unlikely

• likely

• certain

Tags

CCSS.7.SP.C.5

Sam were to conduct the same experiment with 200 draws, approximately how many

times could he expect to draw a blue marble?

• 50

• 60

• 70

• 80

Tags

CCSS.7.SP.C.6

Claire is deciding between a red shirt and a blue shirt. The shirt also comes in small, medium, and large sizes. How many possible combinations of shirt color and size are there?

• 2

• 6

• 8

• 12

How many possible outfit combinations can be made? An outfit consists of one shirt, one pair of pants and one pair of shoes.

• 3

• 6

• 9

• 27

Which of the following lists shows all of the possible outcomes of flipping 3 coins?

• HHH, HHT, HTH, HTT, THH, THT, TTH, TTT

• HHH, HTH, HTT, THT, THH, TTT

• HHH, HTH, THT, TTT

• All of these

Tags

CCSS.7.SP.C.8B

Sam rolls two six sided number cubes. What is the probability that the two numbers added together will equal 5?

• 1/4

• 1/2

• 1/9

• 1/12

A store is handing out coupons worth 15%, 25%, or 30% 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 three times

• spinning a spinner with three equal sections

• rolling a number cube labeled one through six one time

• rolling a number cube labeled one through six three times

Tags

CCSS.7.SP.C.8C