Statistics: Informed Decisions Using Data (4th Edition)

by Sullivan III, Michael

Published by Pearson

ISBN 10: 0321757270

ISBN 13: 978-0-32175-727-2

Chapter 3 - Section 3.2 - Assess Your Understanding - Applying the Concepts - Page 154: 31b

Answer

About 99.7%

Work Step by Step

$325-235=90=3σ$ $415-325=90=3σ$ According to the Empirical Rule, about 99.7% of the data will be between $μ−3σ$ and $μ+3σ$.

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