Mind on Statistics
Mind on Statistics
5th Edition
ISBN: 9781285463186
Author: Jessica M. Utts, Robert F. Heckard
Publisher: Brooks Cole
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Chapter 1, Problem 1.33E
To determine

(a)

To find:

The approximate margin of error for the survey.

To determine

(b)

To find:

The interval that is 95% certain to contain the actual proportion of people in this age group who have seen a ghost.

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