Answer
µ = 240
σ = 13.5
Work Step by Step
n = 1000, p = 0.24
Using known equations, we find:
$µ = np = 1000 \times 0.24 = 240$
$σ = \sqrt {np (1-p)} = \sqrt {1000\times 0.24 (1 - 0.24)} = 13.5$
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 14 - Binomial Distributions - Apply Your Knowledge - Page 338: 14.12a
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