Answer
$\mu=95.68$
Work Step by Step
We have $\sigma=6, X=85, P(X)=0.0375$
Use table E, $z=-1,78$
$z=\frac{85-\mu}{6}=-1.78, \mu=95.68$
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 6 - The Normal Distribution - 6-2 Applications of the Normal Distribution - Exercises 6-2 - Page 340: 36
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