What is the dividing point between an a and a b grade

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Reference no: EM13202156

An analysis of the grades on the first test in Statistics 101 revealed that they approximate a normal curve with a mean of 75 and a standard deviation of 8. The instructor wants to award the grade of A to the upper 10 percent of the test grades. What is the dividing point between an A and a B grade?

Reference no: EM13202156

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