a. When a process is in a state of statistical control, then most of the output will meet specifications.
b. When a process is out of control, an unacceptably large proportion of the output will not meet specifications.
c. When a process is in a state of statistical control, all the variation in the process is due to causes that are inherent in the process itself.
d. When a process is out of control, some of the variation in the process is due to causes that are outside of the process.
True or false;