Assigning Grades. Professor CJ uses a normal distribution toassign grades in his Biostatistics class.

IV. Assigning Grades. Professor CJ uses a normal distribution toassign grades in his

Biostatistics class. He assigns an A to students scoring more than2 standard deviations

above the mean and an F to students scoring more than two standarddeviations below the

mean. He assigns a B to students who score between 1 and 2standard deviations above

the mean and a D to students who score 1 and 2 standard deviationsbelow the mean. All

other students get a C. what percent of the class receives eachgrade assuming the scores

are normally distributed?