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OpenStudy (anonymous):
A simple random sample of 50 adults was surveyed, and it was found that the mean amount of time that they spend surfing the Internet per day is 54.2 minutes, with a standard deviation of 14.0 minutes. What is the 99% confidence interval for the number of minutes that an adult spends surfing the Internet per day? ------------------------------------------------- A.49.1 minutes to 59.3 minutes B.50.3 minutes to 58.1 minutes C.54.2 minutes to 58.1 minutes D.54.2 minutes to 59.3 minutes
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OpenStudy (anonymous):
I got C am I right? :)
OpenStudy (anonymous):
LOL
OpenStudy (anonymous):
sorry
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