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Overtime Hours Worked A random sample of12 registered nurses in a large hospital showed that they worked on average44.3 hours perweek.The standard deviation of the

Overtime Hours WorkedA random sample of12

registered nurses in a large hospital showed that they worked on average44.3

hours perweek.The standard deviation of the sample was2.2

.Estimate the mean of the population with99

confidence.Assume the variable is normallydistributed.Round intermediate answers to at least three decimalplaces.Round your final answers to one decimalplace.

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