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Estimating the director of research

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At a large company, the Director of Research found that the average work time lost by employees due to accidents was 104hours per year. She used a random sample of 15 employees. The standard deviation of the sample was 5.4 hours. Estimate the population mean for the number of hours lost due to accidents for the company, using a 99% confidence interval. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places.Round your final answers to the nearest whole number.

Reference no: EM132529493

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