Question: now instead of making changes to the process mean we...
Now instead of making changes to the process mean, we change the process standard deviation to 0.03 inches. The process mean stays at the previous value of 0.9 inches. The customers define a good quality pipe as one having a diameter of one-inch with a tolerance of plus or minus 0.20 inch. What level of quality does the process currently deliver?
|None of the above|