1a) Overtime Hours Worked A random sample of12 registered nurses in a large hospital showed that they worked on average44 4 hours perweek The standard deviation of the sample was2 8 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 1b) Social Networking Sites A recent survey of8 social networking sites has a mean of14 15 million visitors for a specificmonth The standard deviation was3 2 million Find the80 confidence interval of the truemean Assume the variable normallydistributed Round your answers to at least two decimalplaces million million

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1a) Overtime Hours Worked A random sample of12 registered nurses in a large hospital showed that they worked on average44 4 hours perweek The standard deviation of the sample was2 8 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                1b) Social Networking Sites A recent survey of8 social networking sites has a mean of14 15 million visitors for a specificmonth The standard deviation was3 2 million Find the80  confidence interval of the truemean Assume the variable normallydistributed Round your answers to at least two decimalplaces       million          million

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Question: 1a) Overtime Hours Worked A random sample of12 registered nurses in a large hospital showed that they worked on average44.4 hours perweek.The standard deviation of

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