In a Study to Determine If a College Student's Year

Multiple Choice

In a study to determine if a college student's year in college is independent of his or her major, a sample of 200 students was found to contain 40 juniors and 50 accounting majors. Then, the expected frequency of junior accounting majors is

A) 10 .
B) 20 .
C) 25 .
D) 15 .