Monday, March 5, 2012

Yes, this makes sense


One hundred people board a 100-seat airplane. The first one has lost his boarding pass, so he sits in a random seat. Each subsequent passenger sits in his own seat if it’s available or takes a random unoccupied seat if it’s not.

What’s the chance % that the 100th passenger finds his seat occupied?

Found it at the Futility Closet:

Click here for the answer (and then click on "click for answer.)


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