Topic: Homework Assignment 4: MAT510Order DescriptionDiscuss one (1) project where you used a problem-solving approach to address what turned out to be common-cause variation, or where you used a process improvement approach to deal with a special cause.If you do not have a personal experience that echoes either of these situations, you may use Internet to search for a case that reflects either of these situations.Examples:* one’s personal investment strategy since 2008* reducing waiting times at the local hospital or emergency room*reducing difficulties trying to connect to a Wi-Fi Internet providerAnswer the following questions and number each answer given.1. Describe the experience in the project.2. What were the solutions used to address the problem?3. Was the case you described a special-cause or common-cause?4. Do you feel the solution or approach used appropriate for the cause?5. What would you do if you could do it again?6. What conclusions can you draw from the problem-solving or process-improvement techniques?