wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Probability & Histogram Study Guide

Total questions: 53

Worksheet time: 27mins

Name
Class
Date
1.

What is the theoretical probability that an even number will be rolled on a number cube?

a)

1/2

b)

1, 3, 5

c)

1/6

d)

1/3

2.

What is the theoretical probability that an odd number will be rolled on a number cube?

a)

1/2

b)

1, 3, 5

c)

1/6

d)

1/3

3.

What is the theoretical probability that a 2 will be rolled on a number cube?

a)

2/6

b)

1/3

c)

1/2

d)

1/6

4.

What is the theoretical probability that a 4 will be rolled on a number cube?

a)

2/6

b)

1/3

c)

1/2

d)

1/6

5.

What is the theoretical probability that a 1 will be rolled on a number cube?

a)

2/6

b)

1/3

c)

1/2

d)

1/6

6.

What is the theoretical probability that a 5 will be rolled on a number cube?

a)

5/6

b)

1/6

c)

1/2

d)

1/5

7.

What was the experimental probability of how many times an even number was actually rolled on a number cube?

The number cube was rolled 36 times.

a)

1/2

b)

3/6

c)

15/36

d)

1, 3, 5

8.

What was the experimental probability of how many times an a 5 was actually rolled on a number cube?

The number cube was rolled 36 times.

Answer in simplest form.

a)

4/36

b)

1/9

c)

5/36

d)

1/6

9.

Using the spinner,

What is the theoretical probability of landing on a 2?

Answer in simplest form

a)

2/6

b)

3/6

c)

1/2

d)

3/4

10.

How many students are represented in the histogram?

a)

99

b)

9

c)

35

d)

50-99

11.

How many students scored in the 50-59 interval?

a)

6

b)

9

c)

50-59

d)

0

12.

Which interval had the greatest amount of students?

a)

90-99

b)

80-89

c)

60-69

d)

50-59

13.

If a student scored a 54 which interval would they be added to?

a)

90-99

b)

80-89

c)

60-69

d)

50-59

14.

Which percent of students scored a 70 or greater?

***Round to nearest whole percentage

a)

100%

b)

17%

c)

63%

d)

70%

15.

What is the mode of the data presented in the histogram?

a)

70-79

b)

74.5

c)

5

d)

not enough information to find

16.

What is the exact median value of the data presented in the histogram?

a)

70-79

b)

74.5

c)

5

d)

not enough information to find

17.

How many more people scored between 80-89 than scored between 70-79

a)

3 more people

b)

10 more people

c)

1 more person

d)

not enough information to find

18.

What is the median of the stem and leaf plot?

a)

70

b)

65

c)

66

d)

78

19.

What is the mode of the stem and leaf plot?

a)

70

b)

80

c)

66

d)

78

20.

What is the mean of the stem and leaf plot?

***Round to nearest whole number

a)

68

b)

70

c)

66

d)

78

21.

What is the range of the stem and leaf plot?

a)

80

b)

39

c)

70

d)

41

22.

A pool member saw one of the two graphs and made the following statements: ● 15 of the pool guests were ages 10 – 19.

Which graph did this pool member see?

a)

The circle Graph

b)

The histogram

23.

Which age group interval has the most amount of people?

a)

30-40

b)

21-30

c)

11-20

d)

0-10

24.

How many total people were included in the histogram?

a)

100

b)

40

c)

115

d)

45

25.

What percentage of people are age 11-20?

Round answers to nearest percentage

a)

22%

b)

25%

c)

11-20%

d)

115%

26.

How many people are 20 or less years old?

a)

30

b)

40

c)

80

d)

115

27.

What is the range of the ages in the histogram?

a)

40

b)

45

c)

30

d)

not enough information to determine range from a histogram

28.

An event that is impossible has a probability of...

a)

0

b)

1

c)

100

d)

-1

29.

An event that is definitely going to happen has a probability of...

a)

0

b)

1

c)

100

d)

-1

30.

Dale conducted a survey of the 80 students in his classes to observe the distribution of eye color. The table shows the results of his survey.

What is the experimental probability of a student having green eyes?

Answers in simplest form

a)

1/40

b)

2/80

c)

2/4

d)

1/2

31.

Dale conducted a survey of the 80 students in his classes to observe the distribution of eye color. The table shows the results of his survey.

What is the experimental probability of a student having blue eyes?

Answers in simplest form

a)

12/80

b)

1/4

c)

6/40

d)

3/20

32.

Dale conducted a survey of the 80 students in his classes to observe the distribution of eye color. The table shows the results of his survey.

What is the experimental probability of a student having brown eyes?

Answers in simplest form

a)

58/80

b)

29/40

c)

1/58

d)

1//4

33.

The circle graph shows how Omar spends a regular weekday.

What activity does Omar spend the most time on during a 24-h day?

a)

School

b)

Sleeping

c)

Recreation

d)

Eating

34.

The circle graph shows how Omar spends a regular weekday.

What percentage of time does Omar spend eating?

a)

35%

b)

2%

c)

5%

d)

15%

35.

The circle graph shows how Omar spends a regular weekday.

What percentage of time does Omar spend with recreation and homework?

a)

35%

b)

10%

c)

20%

d)

30%

36.

What percentage of "other" books were signed out?

a)

25%

b)

No way to know

c)

15%

d)

10%

37.

How many science fiction books were signed out in the summer?

a)

40

b)

No way to know with the information given

c)

20

d)

25

38.
  1. A bag contains 3 red tokens, 5 green tokens, and 5 yellow tokens. If a token is picked 

from the box at random, what is the theoretical probability that the token is red?

a)

3

b)

3/13

c)

3/10

d)

1/3

39.

What type of probability is the expected probability of an event?

a)

expected

b)

theoretical

c)

experimental

d)

number cube

40.

What type of probability is the results of an experiment?

a)

expected

b)

theoretical

c)

experimental

d)

number cube

41.

Use the line plot to determine the range of the data.

a)

9

b)

5

c)

8

d)

6

42.

Use the line plot to determine the mode of the data.

a)

10

b)

7

c)

5

d)

2

43.

Use the line plot to determine the mean of the data.

a)

5

b)

2

c)

0

d)

4.5

44.

Tamara rolled a fair number cube with sides labeled 1, 2, 3, 4, 5, and 6. The table shows the results of rolling the fair number cube 20 times.

Determine the experimental probability that the number landing face up is a five.

a)

1/10

b)

5/6

c)

1/6

d)

2/20

45.

A bag contained one red, one blue, and one green ball. Each ball in the bag is the same size and shape. Mr. Smith selected a ball from the bag without looking, recorded the color, and returned the ball to the bag. He did this four times, and the results were red, green, blue, green. Determine the experimental probability of Mr. Smith selecting a red ball from the bag.

a)

1/3

b)

1/4

c)

1/6

d)

1/2

46.

A bag contained one red, one blue, and one green ball. Each ball in the bag is the same size and shape. Mr. Smith selected a ball from the bag without looking, recorded the color, and returned the ball to the bag. He did this four times, and the results were red, green, blue, green. Determine the theoretical probability of Mr. Smith selecting a red ball from the bag.

a)

1/3

b)

1/4

c)

1/6

d)

1/2

47.

Find the theoretical probability that the spinner below lands on the letter B. Write your answer as a fraction in simplest form.

a)

3/6

b)

1/2

c)

1/6

d)

3

48.

Find the theoretical probability that the spinner below lands on the letter A. Write your answer as a fraction in simplest form.

a)

3/6

b)

1/8

c)

1/6

d)

1

49.

Find the theoretical probability that the spinner below lands on the letter C. Write your answer as a fraction in simplest form.

a)

2/6

b)

1/3

c)

1/6

d)

2

50.

James spins the spinner 6 times.

Results

Spinner lands on A: 1 times

Spinner lands on B: 4 times

Spinner lands on C: 1 times

What is the experimental probability of landing on B? In simplest form

a)

4/6

b)

3/6

c)

1/2

d)

2/3

51.

Max has eight circular chips that are all the same size and shape in a bag.

Max reaches into the bag and removes one circular chip. What is the theoretical probability that the circular chip has a star on it?

a)

5

b)

1/8

c)

5/8

d)

3/8

52.

Max has eight circular chips that are all the same size and shape in a bag.

Max reaches into the bag and removes one circular chip. What is the theoretical probability that the circular chip has a square on it?

a)

5

b)

1/8

c)

5/8

d)

3/8

53.

How many lemonades were sold 3pm or later?

a)

3

b)

15

c)

10

d)

40