Interval for the percentage of the population


A New York Times/CBS poll asked the question, "What do you think is the most important problem facing this country today?" It found that seventeen percent of the respondents answered "crime and violence." The margin of sampling error was plus or minus 3.7 percentage points. Following the convention that the margin of error was based on a 95% confidence interval, find the 95% confidence interval for the percentage of the population that would respond "crime and violence" to the question asked by the pollsters. (Express answers as decimal numbers to 3 places.)

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Basic Statistics: Interval for the percentage of the population
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