Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 11 Data Analysis and Statistics - Extension - Approximate Binomial Distributions and Test Hypotheses - Practice - Page 765: 5

Answer

2.75

Work Step by Step

Using the given equations, we find: $$\bar{x}=np=(36)(.7)=25.2$$ AND $$ \sigma = \sqrt{np(1-p)}= \sqrt{25.2(1-.7)}=2.75$$
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