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Peer Instruction ConcepTest data - Mazur Group

Peer Instruction ConcepTest data - Mazur Group

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Problems with problemsOn a Saturday afternoon, you pull into a parking lot with unmeteredspaces near a shopping area. You circle around, but thereare no empty spots. You decide to wait at one end of the lot,where you can see (and command) about 20 spaces. On averagepeople shop for 2 hours.Assuming people leave at regularly-spaced intervals, how longdo you have to wait before someone frees up a space?

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