Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 12 - Statistics - 12.5 Problem Solving with the Normal Distribution - Exercise Set 12.5 - Page 820: 14

Answer

$76.98\%$

Work Step by Step

Using the table, the percentage of data items in a normal distribution that lie between the values can be obtained by subtracting the percentile that lies under the lower z-value from the percentile that lies under the higher z-value. Hence here: $88.49\%-11.51\%=76.98\%$
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