Answer
$z=\frac{X-\mu}{\sigma}$
Work Step by Step
The following formula is used to gain information about an
individual data value $X$ when the variable is normally distributed.
$z=\frac{X-\mu}{\sigma}$
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 - 6-3 The Central Limit Theorem - Exercises 6-3 - Page 352: 6
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