I need help on question C and D

The following frequency histogram presents the final grades of a random sample of 100 college studen 183 15 - 12 - Frequency LO 63 66 69 72 90 93 96 Final Grade Score Part 1 of 4 2966733.CSV Part 3 of 4 (c) Which class has the lowest frequency? The class 63-65.99 has the lowest frequency. X 5 90-92.99 63-65.99 93-95.99 Part: 3 / 487-89.99 Part 4 of 4 (d) What percentage of students got a final grade higher than 84? The percentage of students who got a final grade higher than 84 is 1%