An exam was given to a group of freshman and sophomore students. The results are below: Freshman: 106 got A’s, 130 got B’s, and
149 got C’s. Sophomore: 192 got A’s, 118 got B’s, and 168 got C’s. If one student is chosen at random from those who took the exam, find the probability that: a) the student was a sophomore. round to 4 decimal places as needed.
