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Old 02-07-2011, 06:32 PM   #72
lawn psycho
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Quote:
Originally Posted by Rusty View Post
Wrestle with this probability question:

Each of the letters of the word Winnipesaukee are written on separate pieces of paper that are then folded, put in a hat, and mixed thoroughly.

One piece of paper is chosen (without looking) from the hat. What is the probability that it is an i?
Come on, you can do better than that. Here's a simple one that is counterintuitive to people. What is the probability that two people share the same birthday (only needs to be the same month/day and can ignore year). Hint: Not as common as you would think.
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