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 - Review - Test - Page 186: 5b

Answer

About 95%.

Work Step by Step

$4302-3622=680=2σ$ $4982-4302=680=2σ$ According to the Empirical Rule, in a bell shaped distribution, approximately 95% of the data values will be between $μ−2σ$ and $μ+2σ$

Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.