3. In the past, the defective rate of for the assembly line has been 5%. What are the upper and lower control limits (3 sigma) if you wish to use a s sample size of 400 1) What type of control charts would you use to monitor this process? 2) What are the control limits (3-sigma) for this process? 4. (True/False).Attribute charts monitor weights or dimensions. Variable charts are more of a 'yes-no' gauge and tend to be less costly to