Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0-32191-121-0
ISBN 13: 978-0-32191-121-6

Chapter 5 - Normal Probability Distributions - Review Exercises - Page 287: 26

Answer

Answer = 0.5465

Work Step by Step

Want to find P( z < 0 or z > 1.68) 1) P( z < 0) = 0.5 2) P( z > 1.68) = 1 - P( z < 1.68) = 1 - 0.9535 = 0.0465 3) Finally, P(z < 0 or z > 1.68) = 0.5 + 0.0465 = 0.5465
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