Question: Junior Achievement and Deloitte commissioned a teen ethics poll of

Junior Achievement and Deloitte commissioned a "teen ethics poll" of 787 students aged 13­18, finding that 29 percent felt inadequately prepared to make ethical judgments.
(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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  • CreatedAugust 19, 2015
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