Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Probability Quiz

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.
The probability of an event is written as P(event).
a)
False
b)
True
2.

A ________ consists of 2 or more events.

a)

single event

b)

prediction

c)

compound event

d)

experiment

3.
The chance of flipping a tail on a normal coin is equally as likely as flipping a head.
a)
True
b)
False
4.
If you want to choose a Red marble from a bag of 10 Red marbles, your probability is....
a)
0
b)
1/10
c)
1
d)
5/10
5.

If you are picking a card randomly from a deck of cards, the events of picking a spade and picking a diamond are mutually exclusive.

a)

True

b)

False

6.

When rolling a single die, the events of rolling an odd number and rolling a prime are mutually exclusive.

a)

True

b)

False

7.
Find the probability of choosing a student at random that plays an instrument and a sport
a)
21/20
b)
8/11
c)
4/5
d)
2/5
8.

If you draw one card from a standard deck, what is the probability of drawing a 5 or a diamond?

a)

1/26

b)

1/13

c)

4/13

d)

17/52

9.
Clara picks a marble at random, puts it back, and then picks another marble at random.
a)
Dependent
b)
Independent
10.
Victor picks a card at random. Without putting the first card back, he picks a second card at random.
a)
Dependent
b)
Independent
11.

A letter of the alphabet is chosen at random and a coin is flipped. What is the probability of choosing a letter from the word MATH and getting tails?

a)

17/26

b)

1/13

c)

1/8

d)

1/52

12.

A magician is doing a card trick using a standard deck of cards. What is the probability that he will pull a jack, then a queen (without replacement)?

a)

2/13

b)

4/663

c)

1/26

d)

1/169

13.

The probability that a woman likes the color blue is 10%. The probability of selecting a woman is 40%. What is the probability that a person selected likes blue given they are a woman?

a)

4%

b)

40%

c)

10%

d)

25%

e)

400%

14.
The probability that an event does NOT occur is
a)
highly unlikely
b)
1 - the probability that it does occur
c)
a matter of opinion
d)
always less than the probability that it does occur
15.

The probability that a randomly chosen American is a Republican is 0.35. What is the probability that in a sample of 10 Americans, that at least 1 will be a Republican?

a)

a) 0.9865

b)

b) 0.0276

c)

c) 0.9999

d)

d) 0.0135

16.

In New England, 84% of the houses have a garage and 65% of the houses have a garage and a backyard. What is the probability that a house has a backyard given that it has a garage?

a)

55%

b)

77%

c)

129%

d)

19%

17.

40% of students in a school wore gold on a Spirit Day. If 3 students are randomly selected, what is the probability that at least one of them wore gold?

a)

94%

b)

78%

c)

40%

d)

22%

18.

What is the probability that a student speak French given they are a girl?

a)

.47

b)

.24

c)

.4

d)

.86

19.

What is the probability that a student plays a sport given they do not play an instrument?

a)

.2

b)

.22

c)

.10

d)

.9

20.

What is the probability someone selected likes chocolate given that they are a child?

a)

72%

b)

57%

c)

37%

d)

52%