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mathematics Overtime Hours Worked A random sample of 12 registered nurses in a large hospital showed that they worked on average 42.4 hours per week.

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Overtime Hours Worked A random sample of 12 registered nurses in a large hospital showed that they worked on average 42.4 hours per week. The standard deviation of the sample was 2.2. Estimate the mean of the population with 90% confidence. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place. 41.61

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