A. 84.13%
B. 99.7%
At one college, GPAs are normally distributed with a mean of 2.6 and a standard deviation of 0.4. What percentage of students at the college have a GPA between 2.2 and 3?
Let P(Z-1) = 0.1613, P(Z < 0) = 0.5, P(Z < 1) = 0.8413 and P(Z < 2) = 0.977.
C. None of the other choices is correct
D. 89%
E. 68%
