statistics does apply to single data point.

and,拿错保险纸张或者因为信息一致对方根本不觉得是错的几率, you are joking. 

所有跟帖： 

• 你指 statistics does NOT apply to single data point? 你前面所说＂可能性为零＂怎 -风雨夜行人- ♂ (176 bytes) () 04/14/2019 postreply 15:29:16