The Essentials of Statistics: A Tool for Social Research
The Essentials of Statistics: A Tool for Social Research
4th Edition
ISBN: 9781305802698
Author: Joseph F. Healey
Publisher: Cengage Learning US
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Chapter 5, Problem 5.9P

For a math test on which the mean score was 59 and the standard deviation was 4, what is the probability that a student randomly selected from this class will have a score

a. between 55 and 65? __________

b. between 60 and 65? ________

c. above 65? _____________

d. between 60 and 50? ____________

e. between 55 and 50? ___________

f. below 55? ___________

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