Mathematics, 10.09.2021 16:00 miagiancarlo

The mathematics section of a standardized college entrance exam had a mean of 20.1 and an SD of 5.6 for a recent year. Assume these are well modeled by a Normal distribution. a) About what percent of students scored over 29?
b) About what percent of students scored under 18?
c) About what percent of students scored between 18 and 29?

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