Suppose that, for a certain exam, a teacher grades on a curve. 2.2% 34.1% 34.1% 2.2% 0.1% 0.1% | 13.6% 13.6% u-30 µ-20 µ-lo utlo u+2o u+3o It is known that the mean is 60 and the standard deviation is...

Suppose that, for a certain exam, a teacher grades on a curve. It is known that the mean is 60 and the standard deviation is 10. There are 40 students in the class. (Round your answers to the nearest whole number.) (a) How many students should receive a C? (b) How many students should receive an A?


Extracted text: Suppose that, for a certain exam, a teacher grades on a curve. 2.2% 34.1% 34.1% 2.2% 0.1% 0.1% | 13.6% 13.6% u-30 µ-20 µ-lo utlo u+2o u+3o It is known that the mean is 60 and the standard deviation is 10. There are 40 students in the class. (Round your answers to the nearest whole number.) (a) How many students should receive a C? student(s) (b) How many students should receive an A? student(s)