SAT, 31.08.2019 11:30, roscoe53

Apoll asked the question, "what do you think is the most important problem facing this country today? " twenty percent of the respondents answered "crime and violence." the margin of sampling error was plus or minus 3 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.

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Apoll asked the question, "what do you think is the most important problem facing this country today...