There can't possible be a way, the reason being the following:
$ E0 L3 b! D& V& ?* ?, W; o% Z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 days# M. b! t' q) F1 l, W1 J* X% ~
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, B5 y5 B, o- H K! ~* G
any solution proposed would be statistically impossible. |