Junior Achievement and Deloitte commissioned a teen ethics poll of 787 students aged 1318, finding that 29
Question:
(a) Assuming that this was a random sample, find the 95 percent confidence interval for the true proportion of U.S. teens who feel inadequately prepared to make ethical judgments.
(b) Is the sample size large enough to assume normality?
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Related Book For
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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