a. If an inspector is hired, what will be the inspection cost per unit? (Round your answer to 3 decimal places.) Cost per unit b. If an inspector is not hired, what will be the defective cost per unit? (Round your answer to 3 decimal places.) Cost per unit
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- What are typical performance testing errors?4. A soda drink bottling company is interested in winning a contract with a popular drink brand. To win the contract the company must show that it is capable of meeting 6o quality. The contract is for the production of 355mL cans, for which a tolerance of +0.5mL is specified. The company believes the facility is in statistical control and has calculated a global value of R 0.15mL and 355.025mL for its production system. The com- pany ran a capability test by obtaining 10 samples (each of 8 elements) on which capability calculations will be performed. The data obtained is in the following table: Sample R Sample F R 0.18319 354.98938 0.15714 355.02304 B 0.15361 355.01149 G 0.19205 355.06814 0.14892 355.00997 H 0.16240 355.05145 0.19912 355.01490 I 0.19179 355.00207 E 0.18389 355.04694 J 0.11900 355.02327 The parameters A2, D3 and D4 for various n are shown in the following table. A2 2 1.880 3.268 3 1.023 2.574 4 0.729 2.282 5 0.577 2.115 6 0.483 2.004 D3 D3 0.419 1.924 0.076 A2 D4 0. 7.…380,000 automotive A-Frame brackets are stamped in a year with a complex process involving shearing, forming, stamping, and heat treating. Each bracket has 6 Critical To Quality features. 627 brackets had at least one defect. Evaluation of the 627 brackets showed a total of, 1191 defects. Calculate the defects per million opportunities (DPMO). Calculate the defects per million (DPM). Calculate the defective units per million (DUPM).
- A cause -and-effect diagram is used to identify the possible causes of defects. Draw a Cause and Effect Diagram for a student that fails to graduate from college.Management is trying to decide whether Part A, which is produced with a consistent 3 percent defective rate, should be inspected. If it is not inspected, the 3 percent defectives will go through a product assembly phase and have to be replaced later. If all Part A’s are inspected, one-third of the defectives will be found, thus raising the quality to 2 percent defectives.a. Should the inspection be done if the cost of inspecting is $0.01 per unit and the cost of replacing a defective in the final assembly is $4.00?b. Suppose the cost of inspecting is $0.05 per unit rather than $0.01. Would this change your answer in (a)?Classify each of the following as either a Type I error or a Type II error: (a) Putting an innocent person in jail (b) Releasing a guilty person from jail (c) Eating (or not eating) a cookie that fell on the floor. (d) Not eating a clean cookie (e) Not seeing a doctor as soon as possible after ingesting poison
- Vera Johnson and Merris Williams manufacture vanishing cream. Their packaging process has four steps: (1) mix, (2) fill, (3) cap, and (4) label. They have had the reported process failures analyzed, which shows the following:Process failure FrequencyLumps of unmixed product 7Over- or underfilled jars 18Jar lids did not seal 6Labels rumpled or missing 29 Total 60 Draw a Pareto chart to identify the vital failures.A travel agency is concerned with the accuracy and appearance of itineraries prepared for its clients. Defects can include errors in times, airlines, flight numbers, prices, car rental information, lodging, charge card numbers, and reservation numbers, as well as typographical errors. As the possible number of errors is nearly infinite, the agency measures the number of errors that do occur. The current process results in an average of five errors per itinerary. a. What are the two-sigma control limits for these defects? The UCLc equals _______________ and the LCLc equals ____________________ (Enter your responses rounded to three decimal places. If your answer for LCLc is negative, enter this value as 0.) b. A client scheduled a trip to Dallas. Her itinerary contained five errors. Interpret this information. A. The number of defects is within the control limits, so it is assumed that the process is not in control. B. The number of defects is within the…There is a 4 percent error at a specific point in a production process. If an inspector is placed at this point, all the defects can be detected and eliminated. The inspector would cost $8 per hour and could inspect unit in the process at the current production rate of 45 per hour. If no inspector is hired and defects are allowed to pass a point, there is a cost of $9 per defective unit to correct the defects later. If an inspector is hired, what will be the inspection cost per unit? (Round to 3 decimal places.) If an inspector is hired, what will be the defective cost per unit? (Round to 3 decimal places.) Should an inspector be hired based on cost alone?
- A six-sigma green belt candidate finds P/T ratio of his gauge as 0.632. The gauge has no bias. He tried improving his gauge precision, but failed to do so. He plans to use averages of repeated measurements in his quality improvement project. How many repeated measurements does he need to make on a part to have a P/T ratio of 0.200 based on the measurement averages? Answer:Explain Why testing can detect the presence of errors, not their absence.Identify which of the Seven QC Tools would be most useful in addressing each of the following situations: A copy machine suffers frequent paper jams, and users are often confused as to how to fix the problem. The publication team for an engineering department wants to improve the accuracy of its user documentation but is unsure of why documents are not error-free. A bank needs to determine how many teller positions, drive-through stations, and ATM machines it needs for a new branch bank in a certain busy location. Its information includes the average numbers and types of customers served by other similar facilities as well as demographic information to suggest the level of customer traffic to the new facility. A contracting agency wants to investigate why it had so many changes in its contracts. The company believes that the number of changes may be related to the dollar value of the original contract or the days between the request for proposal and the contract award. A travel…