Question

The average grade point average(GPA)of undergraduate students in New York is normally distributed with a population mean of and a population standard deviation of. Compute the following,
1)The percentage of students with GPA'S between 2.0 and 2.6
2)If a sample of 49 students is taken, what is the probability that the sample mean GPA will be between 2.60 and 2.70?

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