Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 7 - Section 7.2 - Assess Your Understanding - Vocabulary and Skill Building - Page 378: 19

Answer

2.33

Work Step by Step

We know that the area to the right of the z-score is 0.01. Thus the area to the left is: $1-0.01=0.99$ Using Table V, and the nearest value of 0.9901, we get the z-score: $z_{0.01} = 2.33$
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