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21-02-2024
Mathematics

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Consider again a class of 36 students, the mean GPA is 2.75 and the standard deviation of GPA 0.45 on the classic 0-4 GPA scale. Assume the distribution is approximately bell-curve shaped.
(a) According to the Emperical Rule, we should expect how many students to have a GPA within 1 standard deviation of the mean?

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