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Suppose that the GPA of all first-year undergraduate students in PolyU are normally distributed with meanand a standard deviation of. Answer the following questions. What

Suppose that the GPA of all first-year undergraduate students in PolyU are normally distributed with meanand a standard deviation of. Answer the following questions.

What is the median GPA of the first-year students in PolyU?

If exactly 2300 first-year students in PolyU whose GPA are higher than 3.0, how many first-year students in total in PolyU?

Following (b), how many first-year students in PolyU have GPA lower than 2.7?

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