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Mathematics, 26.11.2019 21:31 dayaa67

Acollege admissions officer for an mba program has determined that historically, candidates have undergraduate grade point averages (gpa) that are normally distributed with standard deviation 0.45. a random sample of twenty five applicants from the current year is taken, yielding a sample mean gpa of 2.90. find a 95% convidence interval for the population mean.

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