2. There are 120 students in grade 10 at a high school in Whitehorse, YT. They took an English exam. a) Of the 120 students, 16 earned a lower mark than Joe. What was his percentile rank? b) If Marina's percentile rank was 85, how many students earned a lower mark than she did? c) Two students earned the same mark as Dan, and 45 students earned a higher mark than Dan. What was Dan's percentile rank