Answer
$p(x\geq13.24)=.1314$
Work Step by Step
$z=\frac{x-\mu}{\sigma}=\frac{13.24-11}{2}=1.12$
$p(x\geq13.24)=p(z\geq1.12)=.5-p(0\leq1.12)=.5-.3686=.1314$
According to Table IV, page 773:
$p(0\lt z\leq1.12)=.3686$
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 242: 5.31e
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