如果实验结果侥幸出现的概率在统计上高于五个标准差，或者小于百万分之一，物理学家就可以断言这是一项发现。
Physicists can claim a discovery if the chances of their result being a fluke of statistics are greater than five standard deviations, or less than one in a few million.
许多医疗业者开始借用其他产业的专业统计工具，例如六个标准差，已经在「通用」等公司行之多年，有效减少生产制造的误差。
Many health providers now employ statistical tools like Six Sigma, long used by firms like GE to reduce variability in manufacturing, and other methods borrowed from industry.
根据统计分析和贝叶斯估计结果，建议了强度等级为C20和C30再生混凝土抗压强度的标准值与标准差的取值。
Based on the results of Bayes estimations, the standard deviations for the compressive strength of RAC with strength grades of C20 and C30 were proposed.
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