Answer
$z_0=-1.75$
Work Step by Step
$p(z\leq z_0)=p(z\geq-z_0)=.5-p(0\lt z\leq-z_0)=.0401$
$p(0\lt z\leq-z_0)=.5-.0401=.4599$
According to Table IV, page 773:
$p(0\lt z\leq1.75)=.4599$
Hence:
$-z_0=1.75$
$z_0=-1.75$
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 5 - Continuous Random Variables - Exercises 5.20 - 5.52 - Learning the Mechanics - Page 241: 5.28a
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