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Simple Probability Quiz Review

Total questions: 25

Worksheet time: 51mins

Name
Class
Date
1.
Probability is defined as...
a)
the set of all possible outcomes.
b)
the likelihood that an event will happen.
c)
a tree diagram.
d)
the fundamental counting principle.
2.
Probability can be between what two numbers?
a)
10 and 20
b)
0 and 100
c)
0 and 1
d)
All Numbers are possible
3.
Find the probability of rolling a 7 on a single die.
a)
1/6
b)
7/6
c)
0
d)
7/7
4.

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

a)

7/11

b)

4/11

c)

2/11

d)

5/26

5.
What is the probability of spinning green or blue?
a)
0
b)
5/12
c)
1/2
d)
3/4
6.

What is the P(purple') on this spinner?

a)

2/5

b)

1/5

c)

4/5

d)

3/5

7.

If the probability of landing on a 4 is 1/6, what does 5/6 represent?

a)

P(3)

b)

p(4')

c)

P(red)

d)

P(1 or 3)

8.

What is sample space?

a)

a process with an uncertain result

b)

a possible result of an action

c)

a display of all possible outcomes of an event

d)

a single outcome or group of outcomes

9.

A tree diagram is useful in determining the __________of a probability experiment.

a)

result

b)

possible outcomes

c)

event

d)

none of the above

10.

A number cube is rolled and a coin is tossed. Which list contains only the outcomes in which the number cube lands on a number less than 4?

a)
b)
c)
11.
Which shows the sample space for flipping two coins?
a)
H, T
b)
HH, HT, TH, TT
c)
HH, TT
d)
Dime, Nickel
12.
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
13.
Experimental Probability is:
a)
What Will happen 
b)
What actually happens
c)
What should happen
d)
What I think Happens
14.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
15.

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

a)

3/10

b)

3/6

c)

1/9

d)

1/3

16.

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

a)
b)
c)
d)
17.

What is the theoretical probability of the spinner landing on a section that is green or red ?

a)

2/6

b)

1/5

c)

2/5

18.

What is the experimental probability of the spinner landing on a section that is green or red ?

a)

5/10

b)

1/2

c)

2/5

d)

1/5

19.
a)

F

b)

G

c)

H

d)

J

20.
a)

F

b)

G

c)

H

d)

J

21.
a)

24

b)

30

c)

90

d)

18

22.
a)

40

b)

45

c)

85

d)

15

23.
a)

12

b)

36

c)

18

d)

24

24.
a)

36

b)

9

c)

18

d)

27

25.
a)

8

b)

16

c)

24

d)

1

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