Probability Unit Review

What is the probability of randomly selecting an even number from the numbers 1-15?

• 7/15

• 8/15

• 6/15

• 5/15

Tags

CCSS.7.SP.C.7B

Two number cubes are rolled sequentially. What is the probability that the first number cube shows a four or five and the other number cube shows an odd number?

• 1/6

• 1/12

• 1/9

• 1/3

Tags

CCSS.HSS.CP.B.7

Landon's company is catering lunch on Friday. He will be able to choose either ham or turkey for the sandwich and either soda or a tea for the drink. Which list shows all the possible outcomes of one sandwich and one drink?

• Turkey, Ham

  Ham, Turkey

  Soda, Tea

  Tea, Soda

• Ham, Soda

  Ham, Tea

  Turkey, Soda

  Turkey, Tea

• Ham, Soda

  Turkey, Tea

• Ham, Turkey

  Soda, Tea

Tags

CCSS.7.SP.C.8B

Mr. Stone has 4 dimes, 2 pennies, and 2 quarters in a jar. If Mr. Stone randomly selects a coin, which of the following statements is true?

• Mr. Stone is more likely to select a quarter than a dime.

• The probability of Mr. Stone selecting a quarter is 1/5.

• It is unlikely that Mr. Stone will select a penny.

• The probability of Mr. Stone selecting a dime is half as likely as selecting a penny.

Tags

CCSS.7.SP.C.7B

The spinner shown below is spun once. Which of the following statements is true?

• The probability of spinning a 6 is 6/7.

• The probability of spinning a 1 or 5 is 2/7.

• The probability of spinning a number greater than 2 is 3/7.

• The probability of spinning an odd number is 1/2.

Tags

CCSS.7.SP.C.7A

A clothing store has the following types of winter coats in stock:

7 puffer coats

10 raincoats

8 wool coats

What is the probability a customer selects a wool coat, puts it in her basket, and then selects a raincoat?

At a baseball game, 6 out of the first 8 fans were wearing a blue shirt. Based on this information, how many fans could be expected to be wearing a blue shirt if 200 fans attended the game?

• 150

• 120

• 100

• 175

Tags

CCSS.7.RP.A.3

There are seven highlighters in a box. Three are pink and four are yellow. You choose a highlighter, replace it, and then choose another. What is the probability of choosing two pink highlighters?

A survey found that 6 out of 25 people are vegetarian. Based on the results of the survey, what is a reasonable prediction for the number of people that are vegetarian out of 350 people?

• A. 84

• B. 15

• C. 266

• D. 145

Tags

CCSS.6.RP.A.3B

A school cafeteria is packing lunches for students attending a field trip. Students can select 1 type of sandwich, 1 side, and 1 fruit. What is the probability that a student will randomly choose a turkey sandwich with pretzels and an apple?

• 1/18

• 1/9

• 1/27

• 1/3