can you please do 1 and 2 and 3

Problem 1: Circle the most appropriate answer from the multiple choices. 1 Six Sigma is a business-driven, multi-dimensional structured approach to: a) Reducing process variability b) Increasing customer satisfaction c) Lowering Defects Improving Processes e) All of the above Problem 2: You are part of a team that developed a process for delivering packages. The average delivery time target is 11 days. Soon after implementing your delivery process, you received a complaint from an unhappy customer. The deliveries received by this customer were 12, 24, 13, 7, 16, 8, 20, 25, 14, 10, 11, 30, and 16 days. You realize that the mean delivery time of 15.8 days for this customer is higher than your target. An improved process was then developed and implemented. Your unhappy customer reported delivery times with the improved process of 27, 7, 15, 4, 18, 6, 23, 6, 2, 24, 2, 6, and 5 days. Would your customer be happy with the improvements you made? Explain. I Problem 3: You work for a company that manufactures and sells flashlights. Sales are dropping. You are charged with improving the flashlight in order to increase both sales and profits. 3.1) Who are your customers? (List at least 5 potential customer groups") 3.2) Why would you go and visit these customers? 3.3) What would you hope to learn