The scores on a final exam follow the normal curve with an average of 60 and an SD of 20. The instructor wishes to count the top 20% of the scores as A's, with the rest of the scores as B or lower. Which of the following final scores is the most suitable cutoff between the A's and the B's? |

Carlos Rodriguez <carlos@math.albany.edu> This problem was contributed by a student. It is offered as it is with no warranty of any kind

Last modified: Thu Feb 11 12:26:41 EST 1999