A Professor Divided the Students in Her Business Class into Three

question 179

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 65% of the students have never taken a statistics class, 15% 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 the first groupmate you meet has studied at least two semesters of statistics?

• A)0.20
• B)0.15
• C)0.80
• D)0.85
• E)0.35

---

Definitions:

Trade Secrets Law

A branch of intellectual property law that protects confidential business information from being disclosed or used without permission.

Federal Copyright Protection

Legal protection provided by the federal government to authors of original works, including literary, dramatic, musical, and certain other intellectual works.

Computer Interface

The point of interaction between a computer and the user, including software, screens, menus, and devices for input and output.

Berne Convention

An international agreement governing copyright protection, offering creators of copyrighted works protection across member countries.