A Professor Has Learned That Three Students in His Class

question 27

Multiple Choice

A professor has learned that three students in his class of 20 will cheat on the final exam. He decides to focus his attention on four randomly chosen students during the exam. What is the probability that he finds at least one of the students cheating?

• A) 0.4912
• B) 0.4211
• C) 0.5088
• D) 0.5789

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Definitions:

Open System

A concept in systems theory where an organization is seen as being open to, and interacting with, its environment in a dynamic exchange of information, energy, and resources.

Resource Inputs

The resources (such as time, money, materials, and labor) that are utilized in the production process or in the provision of services.

Outputs

The results or products that emerge from a system, process, or activity, measuring its effectiveness or productivity.

Tight Bureaucracy

A highly structured and rule-oriented form of organization where the adherence to formal procedures and hierarchies is emphasized.