Answer
$0.5$
Work Step by Step
The normal distribution is symmetric about the mean, thus $P(x\leq \overline{x})=0.5$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 11 Data Analysis and Statistics - 11.3 Use Normal Distributions - Guided Practice for Examples 1 and 2 - Page 758: 1
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