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4 45 In an attempt to decrease drunk driving police set up vehicle checkpoints during...

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4 45 In an attempt to decrease drunk driving police set up vehicle checkpoints during the July 4 evening The police randomly select vehicles to be stopped for informational checks On a particular roadway assume that 20 of all drivers have a blood alcohol level above the legal limit For a random sample of 15 vehicles compute the following probabilities a All 15 drivers will have a blood alcohol level exceeding the legal limit b Exactly 6 of the 15 drivers will exceed the legal limit c Of the 15 drivers 6 or more will exceed the legal limit d All 15 drivers will have a blood alcohol level within the legal limit

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