2. On the final exam Canley's class had an average of 61.1% with a standard deviation of 11.4% a) If there are 27 students in the class, how many of them scored less than 50%? [4] b) If the teacher were to adjust everyone's grade so that the class average is 65% with a standard deviation of 11.4% how many would score less than 50%? [4]