14 3 At Kellog, a new machine is installed to seal a 14-ounce cereal bag. To ensure quality compliance, an inspector examines 200 randomly selected boxes and check if they are adequately sealed every day. Here is the data from the last 7 days: Day Number of defects 1 9 2 11 4 17 s 19 6 7 20 Note: the number of defects is the number of boxes that are not sealed properly a) The equipment producer promised that the machine should have a 5% defective rate. As a manager at Kellogg, you would like to apply statistie quality control tools to help your understanding. Therefore, construct a control chart with proper labels. 18 b) Do you think that the machine is operating as the producer promised? State your rationales clearly