回复：回复：72 and 70 - my guess

来源: 于 2010-06-04 05:34:50 [旧帖] [给我悄悄话] 本文已被阅读：次

"每一天ML的概率"'s "总和"

I explained this as the sum of the probabilities for each of the 365 days, same as expect # of ML activities in one yr.