#### Answer

2.75

#### Work Step by Step

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

Published by
McDougal Littell

ISBN 10:
0618595414

ISBN 13:
978-0-61859-541-9

2.75

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