At a college the scores on the chemistry final exam are approximately normally distributed, with a mean of 75 and a standard deviation of 12. The scores on the calculus final are also approximately normally distributed, with a mean of 80 and a standard deviation of 8. A student scored 81 on the chemistry final and 84 on the calculus final. Relative to the students in each respective class, in which subject did this student do better? A) The student did better in chemistry.
B) The student did better in calculus.
C) The student did equally well in each course.
D) There is no basis for comparison, since the subjects are different from each other and are in different departments.
E) There is not enough information for comparison, because the number of students in each class is not known.