Mathematics, 21.10.2021 07:10 rw050202

A sample of 25 different payroll departments found that the employees worked an average of 310.3 days a year with a population standard deviation of 23.8 days. Assuming the distribution is approximately normal, find the 90% confidence interval for the average number of days worked for all payroll departments. Round to final answers to one decimal place.

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A sample of 25 different payroll departments found that the employees worked an average of 310.3 day...