Salads R Us is a manufacturer of salad dressings and sells their product in a 20-ounce bottle. Their current process mean is 19.80 ounces with a standard deviation of 0.3 ounces. If their tolerance limits are set at 20 ounces plus or minus 1 ounce.
a. What is the Cpk of the bottle filling process?
b. Is the Salads R Us process capable?