X - u Z = The registrar at Eastern University studied the grade point average (GPA's) of its students. The GPA's are normally distributed with a mean of 2.8 and a standard deviation of 0.4(a) What percentage of students a have a GPA between 2.2 and 3.7? (2 decimal places) Answer= (b) What percentage of students a have a GPA between 2.8 and 3.7? (2 decimal places) Answer= (c) What percentage of students have a GPA of 3.7 or higher? (2 decimal places) Answer= (d) Any student with a GPA of 3.7 or higher makes it on to the Dean's list. If 305 students are on the Dean's list, how many students are there at Eastern University? Answer= Students (e) Approximately what percentage of students have a GPA below 1.0? 5% 10% 0%