Six Sigma translates to a perfection rate of O 99.9997%; common O 99.9997%; rarely used O 74.9997%; common O 74.9997%, rarely used This is a quality standard.

Six Sigma translates to a perfection rate of This is a quality standard. 99.9997%; common 99.9997%, rarely used 74.9997%, common 74.9997%, rarely used