Free Printable Basic Probability Review

Worksheets

Basic Probability Review

Total questions: 35

Worksheet time: 2hrs 3mins

Name

Class

Date

What is probability?

A number between zero and one

The chance or the likelihood of an event happening

The favorable outcomes divided by all the possible outcomes.

All of the choices are true.

What is the probability of picking a red marble from the bag?

4/10

1/10

3/10

What is the probability of picking a purple marble from the bag?

3/10

1/10

What is the probability of spinning the spinner and landing on 7

6/8

1/8

7/8

8/8

There are 52 cards in a standard deck of playing cards (1/2 Black & 1/2 Red). What is the probability of drawing a black 5 from a standard deck of playing cards?

1/2

4/52

1/13

1/26

What is the probability of NOT spinning green on this spinner?

1/4

3/4

1/12

5/12

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a "M"?

8/121

4/11

2/11

4/121

The probability of it raining today is 30%. What is the probability that it will NOT rain?

30%

70%

100%

Rolling a 15 on a number cube is

Impossible

Certain

Unlikely

Equally Likely

10.

What is the probability of rolling an even number on a die?

1/4

1/2

1/6

1/3

11.

A die is rolled once. What is the probability of rolling a 5?

1/6

1/3

2/5

5/6

12.

Experimental Probability is:

What Will happen

What actually happens

What should happen

What I think Happens

13.

There are 4 jacks in a standard deck of 52 playing cards. If Peyton selects a card at random, what is the probability that it will be a jack?

1/13

1/52

1/2

12/13

14.

Kate spun the spinner 75 times and landed on "3" thirty times.

What is the experimental probability as a percentage?

20%

30%

40%

50%

15.

A coin is tossed 18 times. It lands on heads 12 times. What is the experimental probability of the coin landing on tails? simplify the fraction!

16.

What is Theoretical Probability?

The ratio of favorable outcomes to the total number of possible outcomes

The ratio of favorable outcomes to the total number of trials in an experiment

In probability, a controlled, repeated process (such as repeatedly tossing a coin).

A single possible result.

17.

Tammy rolled a die five times.

Here is what she got on her five rolls: 1, 3, 3, 4, & 4

Find the experimental probability:

P(3) =

3/5

1/6

2/5

1/3

18.

What is the experimental probability of rolling a 6?

$\frac{7}{15}$

$\frac{1}{2}$

$\frac{8}{15}$

$\frac{13}{30}$

19.

What percentage of SUV's are driven by women? (a)

Choose from the below words

56.25%

75%

83.25%

86.5%

20.

What percentage of males drive sports cars? (a)

Choose from the below words

35%

16.25%

65%

25%

21.

How many people did not attend the school play?

22.

How many people attended the basketball game but did not attend the school play?

23.

What number should go in the blue box?

24.

How many females were surveyed? (Be careful - This table is missing the totals.)

25.

What color car is the least popular at this car dealership?

Red

White

Blue

Green

26.

How many sophomores like burritos and pizza?

27.

What percentage of girls have blonde hair?

30%

32%

29%

40%

28.

Out of those surveyed, what is the probability that the student is a boy who can't bike to school (in simplest form)?

4/30

7/30

2/15

14/30

29.

How many total people were surveyed?

100

30.

Find the probability of selecting two lemon sweets

$\frac{10}{18}$

$\frac{25}{81}$

$\frac{16}{81}$

$\frac{20}{81}$

31.

Find the probability of selecting two strawberry sweets

$\frac{10}{18}$

$\frac{25}{81}$

$\frac{16}{81}$

$\frac{20}{81}$

32.

Find the Probability of OL

0.9

0.09

1.0

0.81

33.

Find the Probability of LL

0.1

0.01

0.2

0.02

34.

What is the probability the coin lands on heads twice?

0.5

0.1

0.25

35.

What is the probability that Matt and Thomas both score?

0.42

0.6

0.12

0.54

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Basic Probability Review

Total questions: 35

Worksheet time: 2hrs 3mins

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