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Three Sigma? - Ask.com
瀏覽:943
日期:2026-04-21
... 3 sigma event? a "sigma event" is an event that takes place when the observation is at least 3 standard deviations away from the mean. P( Z < -3) + P(Z > 3) = 0.001349898 + 0.001349898 http://answers.yahoo.com ......看更多








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