A manager states that her process is really working well. Out of 5,000 parts, 3,885 were produced free of a particular defect and passed inspection. Based upon six-sigma theory, answer the following questions:
a.What is the value of DPMO for this process?
b.What is the value of DPMO customarily used to assess process performance using 6-sigma level?
c.Is this process performing at the 6-sigma level?