Need part B : Between what two values does the middle 50% of the UGPAs lie?

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 5% of UGPAs? P+ 3.28 (b) Between what two values does the middle 50% of the UGPAs lie? 6 0.17 X 2.56 3 28 Grade point average .... . (a) The minimum UGPA that would still place a student in the top 5% of UGPAs is (Round to two decimal places as needed.)