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3. A work crew is to be made up of two experts and four workers selected from a total of ve experts and six workers

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3. A work crew is to be made up of two experts and four workers selected from a total of ve experts and six workers available. (a) How many different ways to form the work crew are possible? (b) John is one of the ve experts and Tom is one of the six workers. They are brothers. What is the probability that both brothers will be chosen? (c) What is the probability that neither will be selected

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