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Old 09-12-2005, 04:45 PM
johnd192 johnd192 is offline
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Join Date: Aug 2003
Posts: 48
Default Probability of winning a small sweepstakes?

I was asked about this one.
If you can enter as many times as you like for each drawing and there are multiple drawings. Is it better to pool your entries into one drawing or to enter one time for multiple drawings. I.E. If I have 20 entry tickets is it better to enter 20 times into 1 drawing with about 1000 other entries or is it better to enter 20 different drawings once with each drawing have 1000 other entries. I thought it would be better to enter one time with 20 tickets to give you a 2 percent chance. I thought the other way would give you 1/1000 chance each time independently. This is in relation to the xbox360 giveaway. Thanks in advance.
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