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2. Three students are chosen randomly to be class president, vice president, and treasurer. No student can hold more than one office. (a) What

2. Three students are chosen randomly to be class president, vice president, and treasurer. No student can hold more than one office. (a) What is the probability that Mary is president, Cory is vice president, and Matt treasurer? (b) What is the probability that Ben is either president or vice president?

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