The following scenario is presented. Students could pick from two types of candies being handed out during a final exam (students could not choose both). Of 400 students, 210 had lollipops and 160 had jellybeans. Ten students got sick after the exam, nine of whom said they ate jellybeans and one of whom ate a lollipop. What is the prevalence of illness? Question 5 options: a) 2.5% b) 2.7% c) 4.8% d) 6.3% e) None of the above