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2.) a. If a committee of 4 is to be chosen at random from a class of 11 students, what is the probability of any

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a. If a committee of 4 is to be chosen at random from a class of 11 students, what is the probability of any particular committee being selected?(Enter your answer as a fraction.)

b. What if the committee is to consist of a president, a vice president, a treasurer, and a secretary? (Enter your answer as a fraction.)

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