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

來源: jinjing 於 2011-02-03 10:45:40 [] [舊帖] [給我悄悄話] 本文已被閱讀： 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.

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

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

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