QUESTION 18Hank Kolb, the quality assurance manager is assessing the capability of a process that puts pressurized grease in anaerosol can.For the pressure of aerosol cans, the process mean is 78.24 and the process standard deviation is 1.38, and theupper and lower customer specifications are 82.50 and 77.50 respectively.Hank considers adjusting the process mean to improve its process capability. Then what is the maximum increase inCpk he can achieve by adjusting the process mean? (Round to 2 decimal places)

The process capability index (Cpk) refers to the arithmetical calculation to determine the closeness…

Answered: For the pressure of aerosol cans, the…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Please do not give solution in image format thanku A restaurant wants to make sure that they are serving customers quickly enough. Every day for 10 days, they sample 16 random customers, and measure how long it is until the waiter shows up. Uisng this sample data, the company calculates the 3-sigma control limits as LCL = 3.5 minutes and UCL = 6.5 minutes. What would be the LCL and UCL if the company uses 2-sigma control limits instead? 1. LCL = 4.5 minutes and UCL = 7.5 minutes 2. LCL = 3 minutes and UCL = 7 minutes 3. LCL = 4 minutes and UCL = 6 minutes 4. LCL = 4.5 minutes and UCL = 5.5 minutes
Product specifications at a local Metalwork company are 1000 ± 0.040. currently, the process is performing at a grand average of 1000 with a standard deviation of 0.010. a). Calculate the process capability ratio and index. b). Is the process capable? Justify your answer.
50 motor generators are inspected per day from a stable process. The best estimate of the fraction of nonconforming is 0.076. Determine the centeral line and control limits. On a particular day, 5 nonconforming generators were discovered. Is this process in or out of control? For the information given in the problem, construct a np-chart
If a point on a control chart falls outside one of the control limits, this suggests that the process output is non-random and should be investigated. O a. TRUE O b. FALSE 10 19 NEXT PAGE 28 IOUS PAGE Finish at 82°F Mostly er
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An X-bar chart has the following control limits UCL=251.5 and LCL=248.5. The sample size is n=4, the process mean is equal to 250 and the process standard deviation is sigma = 1.0. What is the Cp value ? 0.500 not enough information 0.316 0.408 0.447 0.353
At Quick Car Wash, the wash process is advertised to take less than 7 minutes. Consequently, management has set a target average of 390 seconds for the wash process. Suppose the average range for a sample of 9 cars is 8 seconds. Use the accompanying table to establish control limits for sample means and ranges for the car wash process. LOADING... Click the icon to view the table of factors for calculating three-sigma limits for the x overbarx-chart and R-chart. Factors for calculating three-sigma limits for the x overbarx-chart and R-chart Size of Sample (n) Factor for UCL and LCL for x overbarx-chart (Upper A 2A2) Factor for LCL for R-Chart (Upper D 3D3) Factor for UCL for R-Chart (Upper D 4D4) 2 1.8801.880 00 3.2673.267 3 1.0231.023 00 2.5752.575 4 0.7290.729 00 2.2822.282 5 0.5770.577 00 2.1152.115 6 0.4830.483 00 2.0042.004 7 0.4190.419 0.0760.076 1.9241.924 8 0.3730.373…
At Quick Car Wash, the wash process is advertised to take less than 6 minutes. Consequently, management has set a target average of 320 seconds for the wash process. Suppose the average range for a sample of 10 cars is 10 seconds. Use the accompanying table to establish control limits for sample means and ranges for the car wash process.
Solve in a normal method (no excel please ). (8)
The Canine Gourmet Company produces delicious dog treats for canines with discriminating tastes. Management wants the box-filling line to be set so that the process average weight per packet is 45 grams. To make sure that the process is in control, an inspector at the end of the filling line periodically selects a random box of 10 packets and weighs each packet. When the process is in control, the range in the weight of each sample has averaged 5 grams. Click the icon to view the table of factors for calculating three-sigma limits for the x-chart and R-chart. a. Design an R- and an x-chart for this process. The UCLR equals 8.89 grams and the LCLR equals 1.12 grams. (Enter your response rounded to two decimal places.) The UCL equals 46.54 grams and the LCL equals 43.46 grams. (Enter your responses rounded to two decimal places.) b. The results from the last 5 samples of 10 packets are shown below. Is the process in control? Explain. The process variability is in Sample 1 2 3 4 5…
At Quick Car Wash, the wash process is advertised to take less than 7 minutes. Consequently, management has set a target average of 390 seconds for the wash process. Suppose the average range for a sample of 9 cars is 8 seconds. Use the accompanying table to establish control limits for sample means and ranges for the car wash process. LOADING... Click the icon to view the table of factors for calculating three-sigma limits for the x overbarx-chart and R-chart. Factors for calculating three-sigma limits for the x overbarx-chart and R-chart Size of Sample (n) Factor for UCL and LCL for x overbarx-chart (Upper A 2A2) Factor for LCL for R-Chart (Upper D 3D3) Factor for UCL for R-Chart (Upper D 4D4) 2 1.8801.880 00 3.2673.267 3 1.0231.023 00 2.5752.575 4 0.7290.729 00 2.2822.282 5 0.5770.577 00 2.1152.115 6 0.4830.483 00 2.0042.004 7 0.4190.419 0.0760.076 1.9241.924 8 0.3730.373…
Is a capable process a perfect process? That is, does acapable process generate only output that meets specifications? Explain.

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