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Dice Proposition (Posted on 2003-02-22) Difficulty: 5 of 5
If a pair of dice are thrown repeatedly until a 7 is thrown, what is the probability that all the other possible numbers from 2 through 12 will have been thrown by the time the 7 has been thrown? As a preliminary, what is the probability that 2, 11 and 12 will all have been thrown before the first 7?

See The Solution Submitted by Charlie    
Rating: 4.2000 (5 votes)

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Hints/Tips Hint | Comment 3 of 5 |
You might want to look at the "Analytic Solution to Part B" I posted 2003-01-30 under "Trading Cards".
  Posted by Charlie on 2003-02-23 04:46:10
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