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Don’t cell! (H) Suppose you are a U.S. senator and a lobbyist approaches you to report the fantastic news that the group she represents has just discovered a device that will block reception for cell phones in automobiles and thus make driving much safer. The device would cost a mere $100 per vehicle, and your lobbyist wants you to offer a bill that would subsidize the expense. What additional information would you need in order to determine the cost per life saved of this gizmo?
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