Answer
About 95%.
Work Step by Step
$4-3.986=0.014=2σ$ and $4.014-4=0.014=2σ$
According to the Empirical Rule, about 95% of the data will be between $μ-2σ$ and $μ+2σ$.
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: 32b
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