Question: 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
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 3.65 hours. What is the 90% confidence interval for the amount of time they spend online each week?
Group of answer choices
A. (28.15, 35.45)
B. (29.99, 33.61)
C. (24.50, 39.10)
D. (30.86, 32.74)
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