In an Early Study,researchers at an Ivy University Found That

Multiple Choice

In an early study,researchers at an Ivy University found that 33% of the freshmen 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 freshmen,185 had at least one A in their first semester.Calculate the appropriate test statistic to test the hypotheses.

A) 1.853
B) 1.157
C) 1.902
D) 2.710
E) -1.902