12-22-2007, 07:49 AM
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A Serious Epidemic
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Join Date: Oct 2001
Location: Canada
Posts: 18,866
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If all cards have an equal probability of occuring (5 percent), then you should have a 50 percent chance of getting all 20 by buying 71 cards (360 gelats) and a 97.5 percent chance by buying 74 cards (380 gelats), though I suspect certain cards are a great deal rarer than others. |
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