Find probability that dample mean grade point will be less

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Grade point averages of math majors at a large distance education university are normally distributed with a mean of 2.85 and a standard deviation of 0.30. if a random sample of 25 math majors is selected from that university, what is the probability that the dample mean grade point average will be either less than 2.709 or more than 2.955.

Reference no: EM13135501

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