Remaining Time: 1 hour, 34 minutes, 15 seconds. Question Completion Status: copycatting patent infringement QUESTION 21 A production manager at a pottery factory has noticed that about 70 percent of defects result from impurities in raw materials, 15 percent result from human error, 10 percent from machine malfunctions, and 5 percent from a variety of other causes. This manager is most likely using: a Pareto chart e a scatter diagram O a quality loss function a cause-and-effect diagram a flowchart QUESTION 22 A linear programming problem has two constraints 2X + 4Y $ 100 and 1X + BY S 100, plus non-negativity constraints on X and Y. Which of the following statements about its feasible region is TRUE