There are five cars on display as prizes, and their five...

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Question by Gabrielle
Submitted on 11/12/2003
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There are five cars on display as prizes, and their five ignition keys are in a box. You get to pick one key out of the box and try it in the ignition of one car. If it fits, you win the car.What are your chances of winning a car?

Answer by EMK
Submitted on 6/27/2005
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It doesn't matter which key you choose, there's a one in five chance of winning.

Answer by DaveHowe
Submitted on 6/14/2006
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Providing the key definitely fits one car, your chances are one in five. If they want to bias the odds though, they could make one or more keys not fit any car, or if they want to bias the choice, two or more keys could fit the lowest priced car (so odds would be two in five or three in five if you select that car, assuming one or two duplicates, and either zero chance or one in five for the remaining four cars, depending on if a key for that car exists or not in the box.)

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