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Probability Practice Test

Total questions: 20

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

An event has a 0% chance of happening. This event is ___.

a)

Impossible

b)

Unlikely

c)

As likely as not

d)

Likely

e)

Certain

2.

An event has a 50% chance of happening. This event is ___.

a)

Impossible

b)

Unlikely

c)

As likely as not

d)

Likely

e)

Certain

3.

An event has a 75% chance of happening. This event is ___.

a)

Impossible

b)

Unlikely

c)

As likely as not

d)

Likely

e)

Certain

4.

An event has a 100% chance of happening. This event is ___.

a)

Impossible

b)

Unlikely

c)

As likely as not

d)

Likely

e)

Certain

5.
a)
b)
c)
d)
e)
6.
a)
b)
c)
d)
e)
7.

What is the probability of choosing a green counter from this bag?

a)

7/5

b)

4/12

c)

7/12

d)

1/12

8.

What's the probability of choosing a red counter from this bag?

a)

7/5

b)

4/12

c)

7/12

d)

1/11

9.

What is the probability of this spinner landing on pink?

a)

1/12

b)

1/6

c)

0

d)

2/6

10.

A bag of marbles contains 10 red, 5 green and 7 blue marbles. How would you describe the probability of randomly choosing a yellow marble from the bag?

a)

Certain

b)

Likely

c)

As Likely As Not

d)

Unlikely

e)

Impossible

11.

If the weather report says there is a 20% chance of snow, that would be considered...

a)

Certain

b)

Likely

c)

As Likely As Not

d)

Unlikely

e)

Impossible

12.
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 
a)
2/7
b)
5/49
c)
5/7
d)
10/49
13.
The probability of it raining today is 30%.  What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
14.
Experimental Probability is...
a)
what will happen 
b)
what actually happens
c)
what should happen
d)
what I think happens
15.
Theoretical Probability is...
a)
what should happen
b)
what does happen
c)
what will happen
d)
what I want to happen
16.
A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?
a)
5/11
b)
5/6
c)
1/3
d)
5
17.
Find the theoretical P(not yellow) if you spin the spinner.
a)
1/8
b)
7/8
c)
1
d)
7
18.

Dan has 5 pencils and 7 pens in his bag.

What is the theoretical P(choosing a pencil)?

a)
5/7
b)
5/12
c)
7/12
d)
7/5
19.

A dice was rolled five times and the following were rolled: 1, 3, 3, 4, 4

Based on this information, find the experimental P(1).

a)
3/5
b)
1/6
c)
2/5
d)
1/5
20.

The arrow is spun 15 times and landed 4 times on the section labeled Q. Which statement is true?

a)
b)
c)
d)