Answer
(c) N(620, 15.35)
Work Step by Step
Here, we have n = 1000, p = 0.62
μ = 1000 x 0.62 = 620
q = 1-p = 0.38
$σ = \sqrt {npq} = \sqrt{1000 \times 0.62(0.38)} = 15.35$
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 19 - From Data Production to Inference: Part III Review - Test Yourself - Page 450: 19.48
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