In an Early Study, Researchers at a University Found That

Multiple Choice

In an early study, researchers at a university found that 33% of the first year students had received at least one A in their first semester. Administrators are concerned that grade inflation has caused this percentage to increase. In a more recent study, of a random sample of 500 first year students, 185 had at least one A in their first semester.
-The appropriate test statistic to test the hypotheses is _____.

A) 1.85
B) 1.16
C) 1.90
D) 2.71
E) -1.90