Answer
30.8 mpg
Work Step by Step
$(x-22.2)/5.2 = 1.645$
$(x-22.2) = 8.554$
$ x = 30.754$ (rounded to 30.8)
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 3 - The Normal Distributions - Chapter 3 Exercises - Page 96: 3.36
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