(Answered) Question according to businessweek 50 of top managers leave

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Question: According to BusinessWeek, 50% of top managers leave their jobs within 5 years. If 25 top managers are followed over 5 years after they assume their positions, what is the probability that none will have left their jobs? All of them will have left their jobs? At least one will have left the position? What implicit assumption are you making and how do you justify it?

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