Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 5 - Continuous Random Variables - Exercises 5.73 - 5.92 - Applying the Concepts - Basic - Page 256: 5.81c

Answer

$z=1.07$

Work Step by Step

$z=\frac{20-16.25}{3.49}=1.07$
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