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the director of admissions at the university of maryland university college is concerned about the high cost of textbooks for the students each semester. a

the director of admissions at the university of maryland university college is concerned about the high cost of textbooks for the students 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 .1, what are the boundaries of the confidence level?

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