Chapter 10, Problem 6E

There were four different sections of Financial Mathematics 101 offered last semester. In section A, 31 out of 38 students passed the class; in section B, 47 out of 56 students passed the class; in section C, 34 out of 45 students passed the class; and in section D, 45 out of 52 students passed the class. Compare the passing rates in each section and rank them best to worst.