Answer
P = .5
Work Step by Step
The z value is given by:
z = $\frac{x-u}{o/\sqrt n}$ = $\frac{0 - 0}{1/\sqrt 25}$ = 0
P = P(Z > 0) = 0.5
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 18 - Inference in Practice - Chapter 18 Exercises - Page 438: 18.52a
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