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A professor has learned that eight students in her class of 31 will cheat on the...

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Basic Math

A professor has learned that eight students in her class of 31will cheat on the exam. She decides to focus her attention on tenrandomly chosen students during the exam.

a. What is the probability that she finds at leastone of the students cheating? (Round your final answers to4 decimal places.)



b. What is the probability that she finds at leastone of the students cheating if she focuses on eleven randomlychosen students? (Round your final answers to 4 decimalplaces.)

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