Answer
4.898.
Work Step by Step
By using the table, z=0.84 belongs to the probability of 0.8. Hence, the value we are looking for is the mean plus the z-score times the standard deviation:$x=\mu+z\cdot \sigma=4.577+0.84 \cdot 0.382=4.898.$
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 6 - Normal Probability Distributions - Review - Chapter Quick Quiz - Page 309: 8
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