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:

Motivational Counseling

An approach that centers on the client and boosts the desire to change from within through the examination and resolution of uncertainties.

Postpartum Period

The time following childbirth, focusing on the mother's recovery, adjustment to motherhood, and the health of the baby.

Vigorous-Intensity

A level of physical activity that significantly raises the heart rate and respiratory effort, and requires a high amount of energy expenditure.

Health Care Provider

A professional offering services related to the maintenance or improvement of health, including doctors, nurses, therapists, and others.