Name: 
 

Warm-up 2, SOL 8.11, Lesson 3, Making Predictions with Probability



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Susan answered 19 out of 25 questions on a mathematics test correctly.  Which is the decimal equivalent of this ratio?
A
0.76
B
0.19
C
0.25
D
0.24
 

 2. 

Which represents the following fraction as a decimal? mc002-1.jpg
A
mc002-2.jpg
B
mc002-3.jpg
C
mc002-4.jpg
D
0.1522
 

 3. 

Use the tree diagram below to predict the probability of flipping 3 coins and getting all heads or all tails.
mc003-1.jpg
A
2
B
mc003-2.jpg
C
mc003-3.jpg
D
1
 

 4. 

Which is the mean of the set of data? Round to the nearest tenth if necessary.
18, 40, 21, 31, 20, 12, 23, 32
A
25.4
B
23.6
C
24.6
D
25.1
 

 5. 

Which is the median of the following set of data? Round to the nearest tenth if necessary.
37, 26, 26, 18, 28, 11, 23, 22
A
26
B
24.5
C
25
D
23
 

 6. 

Which is the mode of this set of data?
36, 28, 28, 11, 21, 38, 12, 12
A
23.3
B
no mode
C
24.5
D
25.5
 

 7. 

Which is the range for this set of data?
112, 71, 92, 119, 80, 78, 107, 103, 59, 69, 99, 101, 52, 64, 66, 54
A
67
B
66
C
79
D
83
 



 
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