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Eleven people apply for a teaching position in mathematics at a local college. Seven have a PhD and four have a master's degree. If the

Eleven people apply for a teaching position in mathematics at a local college. Seven have a PhD and four have a master's degree. If the department chairperson selects three applicants at random for an interview, find the probability that all have a PhD. Use a graphing calculator. Round your answer to four decimal places

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