Standard deviation of grades

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The distribution of grades in an introductory finance class is normally distributed, with an expected grade of 77. If the standard deviation of grades is 14, in what range would you expect 99.00 percent of the grades to fall? (Round answer to 2 decimal places, e.g. 15.25. Hint: Think in terms of what the expected highest and lowest scores would be for 99.00% of the students taking the exam.)

99.00 percent of the grades should fall beween the ranges (lower end) and (upper end)

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Reference no: EM131917956

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