Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 6 - The Normal Distribution - 6-1 Normal Distribution - Extending the Concepts - Page 324: 53

Answer

$2.10$

Work Step by Step

The area to the left of $z=-1.2$ is 0.1151, so the area to the left of $z_0$ is $0.1151+0.8671=0.9822$ which gives $z_0=2.10$
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