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Cars on the road (Posted on 2004-04-09) Difficulty: 2 of 5
If the probability of observing a car (read: at least one car) in 20 minutes on a highway is 609/625, what is the probability of observing a car (read: at least one) in 5 minutes (assuming constant default probability)?

See The Solution Submitted by SilverKnight    
Rating: 2.5000 (4 votes)

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re(5): One Mean Poisson = Shark | Comment 15 of 20 |
(In reply to re(4): One Mean Poisson = Shark by Penny)

<What's the difference, Dick ?>

I love it when you use my nickname! But in response to your question, not giving a source would tend to imply that the problem was the original creation of the proposer, but giving the source could prematurely reveal a solution. I prefer to see original problems, but some recycled ones are probably worthy of the perplexus venue. We live in a world of deceit and conflict, and we cannot expect this site to be a big exception. 

  Posted by Richard on 2004-04-09 21:35:36
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