Which of the Following Statements Is Best

Multiple Choice

Which of the following statements is best?
I. The capability of a process is related to the product specification limits.
II. Quality does not depend on the process used.
III. Defects can only be produced by a shift in the mean.

A) I only is true
B) I and III only are true
C) II and III only are true
D) all the above are true
E) none of the above is true