Janet Jones Wants to Know How Many of Her Classmates

Multiple Choice

Janet Jones wants to know how many of her classmates completed professional degrees after graduating in 2008.Janet obtains contact information for the graduating class of 2008 from the registrar.The list has 4000 names.After a random start,Janet contacts every eightieth graduate.What is her sampling ratio?

A) 0.5 percent
B) 1.25 percent
C) 2.0 percent
D) 4.0 percent
E) 50 percent