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QUESTION
"Overall the students' class attendance days (per year academic) is normally distributed around 180 days with a standard deviation of 15 days.
"Overall the students' class attendance days (per year academic) is normally distributed around 180 days with a standard deviation of 15 days. Students that are in the top 5% will receive a 20% off coupon at the "Crazy" cafeteria. What is the minimum number of attendance days that you should have in order to receive such discount? "
