Jack and Jill study in different section of the same class. On a recent exam, Jack scored 98 out of 100 while Jill scored 97 out of 100. However, we know that in Jack's section the mean score was 80 with a standard deviation of 5, while in Jill's section the mean score was 82 with a standard deviation of 4. The scores in each section are normally distributed.

Relative to each one's section, which student did better on the exam?