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Find confidence interval for percentage of the population

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Reference no: EM131553882

Question: A poll asked the question, "What do you think is the most important problem facing this country today?"Twenty-one percent of the respondents answered "crime and violence." The margin of sampling error was plus or minus2 percentage points. Following the convention that the margin of error is based on a 95% confidence interval, find a 95% confidence interval for the percentage of the population that would respond "crime and violence" to the question asked by the pollsters.

Reference no: EM131553882

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