Free Printable Probability Review

Worksheets

Probability Review

Total questions: 23

Worksheet time: 2hrs 55mins

Name

Class

Date

On Sarah’s shelf are 6 mystery books, 5 science books, 4 history books, and 3 adventure books. Sarah will randomly choose one book to read. What is the probability that she will choose a mystery book?

$\frac{5}{18}$

$\frac{1}{3}$

$\frac{6}{13}$

$\frac{1}{6}$

If you were to select one shape at

random from the array, what is the

probability it will be a heart?

$\frac{1}{5}$

$\frac{1}{25}$

$\frac{5}{24}$

$\frac{4}{25}$

What is the experimental probability of

rolling a number greater than 4?

$\frac{4}{9}$

$\frac{1}{6}$

$\frac{5}{18}$

$\frac{1}{9}$

Amanda used a standard deck of 52 cards and selected a

card at random. She recorded the suit of the card she picked, then replaced the card. The results are in the

table to the right. Based on her results, what is the experimental probability of selecting a heart?

$\frac{7}{52}$

$\frac{1}{7}$

$\frac{1}{10}$

$\frac{7}{30}$

Vera planted a variety of flowers for a planting experiment. The totals of the first 24 flowers are shown in the table. Based on the information in the table, in how many of the next 192 trials will the flower be a tulip?

Justin has 50 pictures in an album. Of these pictures, 30 show his friends, 12 show his family, and 8 show only Justin. Justin is in 1/2 of the pictures that show his friends and 1/2 of the pictures that show his family. Based on this information, which statement is true?

The probability of randomly selecting a picture that shows Justin with his friends is greater than the probability of randomly selecting a picture that shows Justin with his family.

The probability of randomly selecting a picture that shows Justin is 8%.

The probability of randomly selecting a picture that shows Justin with his family is 5 timesthe probability of randomly selecting a picture that shows only his friends.

The probability of randomly selecting a picture that does not show Justin is 21%.

The manager of a movie theater randomly surveyed 50 people who entered the movie theater on Friday. The manager asked about the type of movie each person preferred. The results of the survey are shown in the table. Based on the results in the table, which statement about a person who will go to this theater next Friday is true?

The person is three times as likely to prefer comedy as horror.

The person is twice as likely to prefer drama as horror.

The person is less likely to prefer horror or drama than action.

The person is more likely to prefer horror or comedy than action or drama.

The 200 students in a school band will attend an awards dinner. A random survey of 25 of these students was conducted to determine how many of each meal should be prepared for the dinner. Based on the survey results, which of these is the best prediction of the meals wanted by the 200 students?

There are 16 students who want a beef meal.

There are 52 students who want either a chicken meal or a pasta meal.

There are 32 more students who want a beef meal than want a chicken meal.

There are 24 more students who want a pasta meal than want a chicken meal.

10.

Kevin has these shirts in his closet.

3 blue shirts
5 red shirts
3 purple shirts
4 white shirts

Kevin will randomly choose one shirt. Then, he will put it back and randomly choose another shirt. What is the probability that he will choose a red shirt and then a white shirt?

$\frac{4}{45}$

$\frac{2}{21}$

$\frac{3}{5}$

$\frac{1}{3}$

11.

A grocery store received a delivery of 4 cases of water bottles. Each case contains 24 bottles. The store manager inspects the delivery and finds that 12 of the water bottles have a coupon on the label. Based on these results, what can the store manager predict about the next delivery of water bottles?

A delivery of 6 cases will contain 36 more coupons than a delivery of 4 cases.

A delivery of 8 cases will contain 24 more coupons than a delivery of 4 cases.

A delivery of 10 cases will contain 18 more coupons than a delivery of 4 cases.

A delivery of 12 cases will contain 3 more coupons than a delivery of 4 cases.

12.

The table shows the number of each type of vehicle in a parking lot. A vehicle is selected at random from the parking lot. Based on the information in the table,

which statement is NOT true?

The vehicle is three times as likely to be a truck as it is to be a sedan.

The vehicle is equally likely to be a van or a sedan.

The vehicle is more likely to be a truck than all other types of vehicles combined.

The vehicle is twice as likely to be an SUV as it is to be a van.

13.

Karla has:

2 tomato plants
3 basil plants
3 pepper plants
8 oregano plants

Karla will randomly choose one plant and give it to her neighbor. Then, she will randomly choose one plant for her garden. What is the probability that Karla will choose a basil plant for her neighbor and then choose an oregano plant for her garden?

$\frac{3}{16}$

$\frac{3}{32}$

$\frac{11}{16}$

$\frac{1}{10}$

14.

The table shows the numbers of bags of different flavors of potato chips on a store shelf. A customer will randomly select one bag of potato chips from the shelf. Which statement about the flavor of the potato chips chosen is best supported by the information in the table?

The flavor is least likely to be plain.

The flavor is twice as likely to be jalapeño as ranch.

The flavor is equally likely to be plain, jalapeño, ranch, or cheese.

The flavor is more than twice as likely to be cheese as it is to be ranch.

15.

A spinner with 6 equal sections is shown. What is the probability of spinning a number greater than 4?

1/6

2/3

1/2

1/3

16.

Regina has three number cubes. The faces of each number cube are numbered from 1 to 6. Regina will roll each number cube one time. What is the probability that all three number cubes will land on an odd number?

1/2

1/6

1/8

1/3

17.

A student has a set of cards. Each card has a picture of one shape. The table shows the number of cards that have a picture of each shape. The student will randomly select one card from the set. Which statement is true?

18.

A survey showed that 8 out of 20 homeowners in a neighborhood had cable television. If there were 320 homeowners in the neighborhood, how many could be expected to have cable television?

19.

Suppose you are trying to decide what to have for breakfast. You can choose between cereal and a bagel, and you have four choices for what to drink: coffee, orange juice, tea, or water. Draw a tree diagram to represent your possible choices.

20.

Vy is shopping for a car. It comes in red, blue, or silver. She can also choose a 2-door and 4-door version along with a manual or automatic transmission. What is the theoretical probability that Vy will pick 4-door car, automatic transmission and it being red or blue?

21.

The probability of selecting a watermelon or green apple Jolly Rancher first is (a) . If he eats the Jolly Rancher and does not replace it,

then the probability of choosing a cherry candy next is (b)

Choose from the below words

2 out of 19.

2 out of 20

3 out of 20

22.

The ratio of men to women in a community club is 4 to 5. There are 60 men in the

community club. How many total people are in the community club?

23.

What is the probability that Camilia will NOT land on koala, (a) because the probability of landing on a koala is (b) .

Choose from the below words

3/26

$\frac{25}{26}$

\frac{20}{26}

$\frac{1}{26}$

Reset

Probability Review

Total questions: 23

Worksheet time: 2hrs 55mins

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