There can't possible be a way, the reason being the following:
9 ]7 \4 v' K$ M9 a" u6 F h3 B公仔箱論壇everyday the person being picked is randomly generated, that means for a person to have 99.99% chance of being picked that takes over 600 days5.39.217.76- b8 v3 d; h J/ w4 G- o
lets just assume only 2 person in the entire group is the unlucky one, and that would case over 4 years of time just to get everybody out in the yard once公仔箱論壇4 _! a' [$ T8 h5 @8 f! K
any solution proposed would be statistically impossible. |
發表於 2012-7-19 08:44 PM
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