I need some help wuith this problem

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Overtime Hours Worked A random sample of 14 registered nurses in a large hospital showed that they worked on average 44.4 hours per week. The standard deviation of the sample was 2.9. Estimate the mean of the population with 95% condence. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your nal answers to one decimal place. D