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Author Question: A police department concerned with levels of white-collar crime is interested in the number of years ... (Read 72 times)

tsand2

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A police department concerned with levels of white-collar crime is interested in the number of years the typical offender works for a company while engaged in illegal behaviors. The department has hired a researcher to assess the relationship between years worked and involvement in white-collar crime. Years of research have yielded a population standard deviation of 20. The consultant is given a sample of 225 convicted criminals to compare to the population and calculates a sample mean of 30 years.

The 95% confidence interval is __________.


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Marked as best answer by tsand2 on Jun 15, 2020

mochi09

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tsand2

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Reply 2 on: Jun 15, 2020
Excellent


aliotak

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Reply 3 on: Yesterday
Wow, this really help

 

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