Answer
$z=0.84$
Work Step by Step
If the area to the right of the standard normal curve is 0.20, then the area to the left of the standard normal curve is $1-0.20=0.80$
According to Table V, the z-score which gives the closest value is 0.84.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 7 - Review - Review Exercises - Page 394: 6
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