A Professor Divided the Students in Her Business Class into Three

question 11

Multiple Choice

A professor divided the students in her business class into three groups: those who have never taken a statistics class, those who have taken only one semester of a statistics class, and those who 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.
If 10% of the students have never taken a statistics class, 35% have taken only one semester of a statistics class, and the rest have taken two or more semesters of statistics, what is the probability that both of the first two groupmates you meet have studied at least one semester of statistics?

• A)0.90
• B)0.35
• C)0.123
• D)0.81
• E)1.8

---

Definitions:

Introspection

Investigating and understanding one's personal emotional and mental states.

Behavior Genetics

The branch of science examining the influence of both genetic makeup and environmental conditions on behavior.

Empiricism

The theory that knowledge originates from experience and that evidence from the senses is a primary source of knowledge.

Structuralism

A theory in psychology and sociology focusing on the components of mental processes, societies, and other phenomena.