wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Probability Review #1

Total questions: 16

Worksheet time: 26mins

Name
Class
Date
1.
Sample space is defined as...
a)
the likelihood of an event occurring.
b)
a diagram of all possible outcomes.
c)
the probability of an event.
d)
a list of all possible outcomes.
2.
The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which shows the CORRECT Sample Space List of possible combinations?
a)
TW, CW, PW
b)
TW, TM, TC, CW, PW
c)
TW, TM, CW, CM, PW, PM
d)
TCP, MW
3.

What is the sample space for choosing 1 jelly bean from a jar of 4 red, 7 blue, and 2 green jellybeans?

a)

4, 7, and 2

b)

red, blue, green

c)

2 green

d)

4 red

4.
Which shows the sample space for flipping two coins?
a)
H, T
b)
HH, HT, TH, TT
c)
HH, TT
d)
Dime, Nickel
5.

It is the complete list of all possible outcomes of an experiment.

a)

Outcome

b)

Probability

c)

Event

d)

Sample Space

6.

If an event is absolutely impossible, what percent probability will it have?

a)

0%

b)

25%

c)

75%

d)

100%

7.

If an event is absolutely certain, what percent probability will it have?

a)

0%

b)

25%

c)

75%

d)

100%

8.

If you choose from the following M & M colors, what is P(blue)?

5 green

6 yellow

8 blue

7 brown

a)

8/26

b)

4/13

c)

8/25

d)

1/3

9.

If you are picking a card randomly from a deck of cards, what is P(heart)?

a)

1/4

b)

13/39

c)

4/52

d)

1/52

10.

If you roll one die, what is P(odd number)?

a)

2/3

b)

1/3

c)

1/2

d)

1/6

11.

When rolling a 6 sided die, what is P(5)?

a)

1/2

b)

5/6

c)

2/3

d)

1/6

12.

The chance of rolling a 2 is 1/6. What is P(not rolling a 2)?

a)

2/6

b)

1/6

c)

5/6

d)

Not possible

13.

You give the answer to a probability problem as 6/5. The teacher marks it wrong. Why?

a)

It should have been 5/6.

b)

Its not written as a percent.

c)

Its more than 1.

d)

Its not written as a decimal.

14.

Which of these cannot be considered a probability of an outcome?

a)

1/3

b)

-1/5

c)

0.80

d)

112%

e)

1

15.

Draw one card from a standard deck. Find P(ace of diamonds)

a)

1/13

b)

1/4

c)

4/13

d)

1/52

16.

Rolling a pair of dice, find P(rolling doubles).

a)

50%

b)

8%

c)

17%

d)

11%