An English professor assigns letter grades on a test according to the following scheme A Top of scores
Scores below the top and above the bottom 58
Scores below the top and above the bottom
DScores below the top 78% and above the bottom
bottom of scores
Scores on the testare normally distributed with a mean of 67.3 and a standard deviation of 72 hind the numerical limits for a grade Round your answers to the
nearest whole number, if necessary