When a process that is governed by a Six Sigma approach to quality improvement is found to be in statistical control,the expected number of defects per million products or opportunities is
A) 1.2.
B) 1.5.
C) 2.0.
D) 3.4.
E) 6.0.

Question

Quizplus · Accepted Answer

When a process is in statistical control, it is expected to have no more than 3.4 defects per million opportunities, which is also known as the Six Sigma level of quality. Therefore, the answer is D, 3.4.

When a Process That Is Governed by a Six Sigma