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A sample of 337 subscribers to Wired magazine shows the mean time spent using the Internet is 14.4 hours per week, with a sample standard

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A sample of 337 subscribers to Wired magazine shows the mean time spent using the Internet is 14.4 hours per week, with a sample standard deviation of 5.8 hours. Find the 80% confidence Interval for the mean time Wired subscribers spend on the Internet (Round the final answers to 2 decimal places.) The confidence Interval is between and

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