Answer
.1867
Work Step by Step
Using a z-test, we find:
P(x >= 450) = P(X > 449.5) = P(Z > .89) = 1 - P(Z < .89) = 1 - .8133 = .1867
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 14 - Binomial Distributions - Apply Your Knowledge - Page 338: 14.11b
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