Thanks,Xephisiss-231only one star,...I guess,the oringinal quest

来源: jinjing 于 2011-02-03 10:45:40 [] [旧帖] [给我悄悄话] 本文已被阅读： 次 (226 bytes)

We can't use shooting star instead of X-231,so,the question had been canceled.If the Prob.distribution is normal distribution,we can get answer if we know the standard diviation.If S.D=0,P(E)=.32,...ifact,it is <.32.

所有跟帖： 

• 回复：Thanks,Xephisiss-231only one star,...I guess,the oringinal qu -calligraphy- ♂ 给 calligraphy 发送悄悄话 (330 bytes) () 02/03/2011 postreply 10:57:35

• one comet is not a shooting star. -jinjing- ♀ 给 jinjing 发送悄悄话 (86 bytes) () 02/03/2011 postreply 12:00:40

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