Solved

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

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q22: For a particular clothing store, a marketing

Q23: The number of cars sold by a

Q24: Forty-four percent of consumers with credit cards

Q25: Consider the following probability distribution. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6618/.jpg"

Q26: Due to turnover and promotion, a bank

Q28: A binomial random variable is defined as

Q29: You have inherited a lottery ticket may

Q30: We can think of the expected value

Q31: Consider the following probability distribution. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6618/.jpg"

Q32: The expected value of a random variable