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The director of admissions at the University of MD is concerned about the high cost of textbooks for students for each semester. A sample of

The director of admissions at the University of MD is concerned about the high cost of textbooks for students for each semester. A sample of 25 students enrolled in the University indicates that x(bar) = $315.40 and s = 43.20.

Using a significance level of .1, what are the boundaries of the confidence interval?

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