In a Business Class,15% of the Students Have Never Taken

Multiple Choice

In a business class,15% of the students have never taken a statistics class,40% have taken only one semester of statistics,and the rest have taken two or more semesters of statistics.The professor randomly assigns students to groups of three to work on a project for the course.Assume everyone in the group is independent.What is the probability that both of your two group mates have studied at least one semester of statistics?

A) 0.40
B) 0.723
C) 0.16
D) 0.85
E) 1.7