Answer
a. $0.3023$
b. $0.0062$
Work Step by Step
We have $\mu=225, \sigma=10$
a. Between 200 and 220 calories
$z1=\frac{200-225}{10}=-2.5$
$z2=\frac{220-225}{10}=-0.5$
$P(z1
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 338: 5
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