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Confidence Intervals. A Gallup Poll conducted from December 5 to 8, 2013, asked a random sample...

Confidence Intervals. A Gallup Poll conducted from December 5 to 8, 2013, asked a random sample of 1031 adults to rate the honesty and ethical standards of people in a variety of professions. Among the respondents, 406 rated the honesty and ethical standards of TV reporters as very high or high. Assume that the sample was an SRS.

A) Give a 95% confidence interval for the proportion of all adults who would rate the honesty and ethical standards of TV reporters as very high or high. Make sure you start your answer properly “we are 95% confident that …”

B) Give a 90% confidence interval.

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orchestra answered 1 year ago
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