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.
Thanks,Xephisiss-231only one star,...I guess,the oringinal quest
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回複:Thanks,Xephisiss-231only one star,...I guess,the oringinal qu
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02/03/2011 postreply
10:57:35
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one comet is not a shooting star.
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02/03/2011 postreply
12:00:40