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The average number of students in an on campus section is 25 with a standard deviation of 10 students. The distribution is approximately normal. a)

The average number of students in an on campus section is 25 with a standard deviation of 10 students. The distribution is approximately normal.

a) What percentage of sections have an enrollment of 15 or less?

b) What percentage of sections have an enrollment between 20 and 50?

c) How many students are in sections at the 30th percentile?

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