Management at Webster Chemical Company is concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are not being sealed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 135. Several boxes are inspected, and the following numbers of leaking tubes are found: Sample 1 2 3 4 5 6 7 Tubes 7 7 8 5 1 1 Sample 8 9 10 11 12 13 14 Tubes 7 2 4 8 6 9 3 8 Calculate p-chart three-sigma control limits to assess whether the capping process is in statistical control. The UCL, equals and the LCL, equals Sample 15 16 17 18 19 20 Total Tubes 8 3 3 5 3 6 104 D (Enter your responses rounded to three decimal places. If your answer for LCL is negative, enter this value as 0.)

Case of Wrong Leg Amputation In one of the most tragic surgical errors, 52-year-old Willie King was supposed to have a diseased leg amputated in 1995. Instead, the surgeon took the wrong one off. As in many wrong site surgerycases, there were a series of mistakes that led to the wrong leg be ing amputated. The incorrect leg was listed in a number of key places including the blackboard in the operating room, the hospital's computer system, and the operating room schedule. The staff had sterilized and prepped the wrong leg for surgery before the surgeon, Dr. Rolando Sanchez, appeared in the operating room. The doctor's defence later was that both legs were unhealthy and would have to be amputated in any event. He was fined $10,000 and received a six-month medical license suspension. The cases against the surgeon and hospital were settled for $1.15 million. A. Define a 'negligent ac t' and state its elements. B. Use of res ipsa loquitur in medical malpractice cases appears to have had the…

3.List the types of test of controls and give examples

What are the most common mistakes made during performance testing?