Help on Problem 8 ## Tire Manufacturer Quality ControlA tire manufacturer has been concerned about the number of defective tires found recently. To evaluate the true magnitude of the problem, a production manager selected 10 random samples of 20 units each for inspection. The number of defective tires found in each sample are as follows:### Data Table| Sample | Number Defective ||--------|------------------|| 1 | 0 || 2 | 2 || 3 | 3 || 4 | 2 || 5 | 5 || 6 | 2 || 7 | 1 || 8 | 1 || 9 | 2 || 10 | 3 |### Exercises**a.** Develop a p-chart with a z = 3. **b.** Suppose that the next four samples selected had 5, 2, 4, and 1 defects. What conclusion can you make?### Explanation**a. p-chart Development**: A p-chart (proportion chart) is a type of control chart used to monitor the proportion of defective items in a process. To construct the p-chart, calculate the center line (average proportion defective), and the upper and lower control limits using the given z-value.**b. Conclusion Analysis**: Analyze whether the new sample values fall within the control limits of the p-chart to determine if the process is still in control or if there are indications of a change in the process quality.

For this question, I have been given the defective data for each sample, there are 10 samples and…

Answered: a. Develop a p-chart with a z = 3. b.…

a. Develop a p-chart with a z = 3. b. Suppose that the next four samples selected had 5, 2, 4, and 1 defects. What conclusion can you make?

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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