Question: (CO 4) From a random sample of 41 teens, it is found that on average they spend 31.8 hours each week online with a population

(CO 4) From a random sample of 41 teens, it is found that on average they spend 31.8 hours each week online with a population standard deviation of 5.91 hours. What is the 90% confidence interval for the amount of time they spend online each week?

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