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A poll asked the question, "What do you think is the most important problem facing this...

A poll asked the question, "What do you think is the most important problem facing this country today?" Twenty-five percent of the respondents answered "crime and violence." The margin of sampling error was plus or minus 2 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.

Lower limit

Upper limit

Math   Statistics-And-Probability   
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Answer #1

Lower Limit = 25% - 2% = 23% =0.23

Upper Limit = 25% + 2% = 27% =0.27                                                                                                 

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