The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 17 - Tests of Significance: The Basics - Chapter 17 Exercises - Page 412: 17.30c

Answer

P = P(Z > .76) = P(Z < -.76) = .2236 P = .2236 Therefore, there is not enough evidence to conclude that students study for more than 15 hours a week.

Work Step by Step

P = P(Z > .76) = P(Z < -.76) = .2236 P = .2236 Therefore, there is not enough evidence to conclude that students study for more than 15 hours a week.
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