Answer
$p(x\gt0)=.7019$
Work Step by Step
$z_0=\frac{x-\mu}{\sigma}=\frac{0-5.26}{10}=-.53$
According to table IV, page 773:
$p(0\lt z\lt .53)=.2019$
$p(x\gt0)=p(z\gt-.53)=p(-.53\lt z\lt0)+p(z\gt0)=p(0\lt z\lt .53)+p(z\gt0)=.2019+.5=.7019$
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 - Applying the Concepts - Basic - Page 242: 5.40a
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