Using past years data the population standard deviation can

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The undergraduate grade point average (GPA) for students admitted to the top graduate business schools was 3.37. Assume this estimate was based on a sample of 90 students admitted to the top schools. Using past years' data, the population standard deviation can be assumed known as 0.30. What is the 95% confidence interval estimate of the mean undergraduate GPA for students admitted to the top graduate business schools (to 2 decimals)?

Reference no: EM13616271

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