Answer
$0.0022$
Work Step by Step
We have $\mu=5.81, \sigma=0.81$,
$z=\frac{3.5-5.81}{0.81}=-2.852$ which corresponds to
a probability of $P(-2.852)=0.0022$
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 337: 1
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