There can't possible be a way, the reason being the following:
/ D% ~3 \' b& }3 U* r$ ptvb now,tvbnow,bttvbeveryday the person being picked is randomly generated, that means for a person to have 99.99% chance of being picked that takes over 600 daystvb now,tvbnow,bttvb5 L/ R d b$ X7 _3 Y
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 once5 O# f' g0 D A/ n& j; {( O
any solution proposed would be statistically impossible. |