回複：回複：72 and 70 - my guess

來源: 於 2010-06-04 05:34:50 [舊帖] [給我悄悄話] 本文已被閱讀：次

"每一天ML的概率"'s "總和"

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