Confidence interval for the mean amount a citation

Reference no: EM1316668

To find 95 percent confidence interval for the mean amount a citation.

Police Chief Aaron Ard of River City reports 500 traffic citations were issued last month. A sample of 35 of these citations showed the mean amount of the fine was $54, with a standard deviation of $4.50. Construct a 95 percent confidence interval for the mean amount of a citation in River City.

Reference no: EM1316668

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