Elementary Statistics: Picturing the World (6th Edition)

by Larson, Ron; Farber, Betsy

Published by Pearson

ISBN 10: 0321911210

ISBN 13: 978-0-32191-121-6

Chapter 7 - Hypothesis Testing with One Sample - Section 7.2 Hypothesis Testing for the Mean - Exercises - Page 373: 14

Answer

0.0214, fail to reject $H_{o}$ at α = 0.01

Work Step by Step

For a two tailed test, using standard normal table: P(z < -2.30 or z > 2.30) = 0.0214 $P \gt 0.01$ Hence fail to reject $H_{o}$ at α = 0.01

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