More problems correctly in the exam

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Reference no: EM131826994

A professor provides 12 review problems for an exam and tells the students that the actual exam will consist of 6 problems chosen randomly from the 12 review problems. Alex decides to memorize the solutions to 8 of the 12 problems. If Alex cannot solve any of the other 4 problems that he did not memorize, what is the probability that he is able to solve 4 or more problems correctly in the exam?

Reference no: EM131826994

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