Question

An English professor assigns letter grades on a test according to the following scheme. A: Top 7% of scores B: Scores below the top 7% and above the bottom 59% C: Scores below the top 41% and above the bottom 18% D: Scores below the top 82% and above the bottom 8% F: Bottom 8% of scores Scores on the test are normally distributed with a mean of 75.7 and a standard deviation of 8.8. Find the numerical limits for a C grade. Round your answers to the nearest whole number, if necessary.

Answer 1

The limits for a C grade are 68 to 78.