The undergraduate grade point averages (UGPA) of students taking an admissions test in a recent year can be approximated by a normal distribution, as shown in the figure.
(a) What is the minimum UGPA that would still place a student in the top 10% of UGPAs?
(b) Between what two values does the middle 50% of the UGPAs lie?
3.42
G=0.19
x
4
2.34 3.42
Grade point average
(a) The minimum UGPA that would still place a student in the top 10% of UGPAs is
(Round to two decimal places as needed.)
(b) The middle 50% of UGPAs lies between on the low end and on the high end.
(Round to two decimal places as needed.)