Question

A professor has learned that three students in her class of 33 will cheat on the exam. She decides to focus her attention on four randomly chosen students during the exam. a. What is the probability that she finds at least one of the students cheating?

Answer 1

Answer: 0.0303030303

Explanation:

If you divide 3 which is the amount of people cheating to 33 which is the whole class, you will get 0.0909090909 but to only get one student you divide again by 3 and you get 0.0303030303