哪一位帮忙在电脑上算一下，给个精确答案

来源: 于 2009-01-15 00:17:23 [旧帖] [给我悄悄话] 本文已被阅读：次

If it is a paper test and calculator is NOT permitted, we still can easily prove the chance is >90%.

364/365
Thus,(316/365)*...*(365/365)
Since 340/389 (7/8)^25 is about 10^(-0.058*25)=10^(-1.45)