1.
Select DOE > Design Diagnostics > Sample Size and Power.
2.
Click the Sigma Quality Level button.
3.
Enter 6 as Sigma Quality Level.
4.
Enter 1000000 as the Number of Opportunities. (See left window in Sigma Quality Level Example 1.)
5.
Leave Number of Defects blank.
6.
Click Continue.
The computation shows that the Number of Defects cannot be more than approximately 3.4. (See right window in Sigma Quality Level Example 2.)
Sigma Quality Level Example 2

Help created on 9/19/2017