sampled weekly to check the performance quality of the department. To establish a entative norm for the department, one sample of 1000 units was collected each week for 10 weeks, with these results: Sample Sample Size Number of Forms with Error Week-1 1000 74 Week-2 1000 42 Week-3 64 Week-4 84 40 50 1000 1000 Week-5 1000 Week-6 1000 Week-7 1000 Week-8 1000 Week-9 1000 Week-10 1000 10000 65 66 40 75 600 1) Develop upper and lower control limits for p-Chart using a 99.7% confidence nterval. ) Is the process under control? Why yes? Why Not?
sampled weekly to check the performance quality of the department. To establish a entative norm for the department, one sample of 1000 units was collected each week for 10 weeks, with these results: Sample Sample Size Number of Forms with Error Week-1 1000 74 Week-2 1000 42 Week-3 64 Week-4 84 40 50 1000 1000 Week-5 1000 Week-6 1000 Week-7 1000 Week-8 1000 Week-9 1000 Week-10 1000 10000 65 66 40 75 600 1) Develop upper and lower control limits for p-Chart using a 99.7% confidence nterval. ) Is the process under control? Why yes? Why Not?
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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Question
100%
![2) Completed forms from a particular department of an insurance company were
sampled weekly to check the performance quality of the department. To establish a
tentative norm for the department, one sample of 1000 units was collected each
week for 10 weeks, with these results:
Sample Sample Size Number of Forms with Error
Week-1
74
Week-2
1000
1000
Week-3
1000
Week-4 1000
Week-5
1000
Week-6
1000
Week-7
1000
Week-8 1000
Week-9
1000
Week-10 1000
10000
42
64
84
40
50
65
66
40
75
600
a) Develop upper and lower control limits for p-Chart using a 99.7% confidence
interval.
b) Is the process under control? Why yes? Why Not?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb2a7295d-b06c-4cc0-ae02-bca5d297d378%2F2f85098a-4f9d-4dff-8269-b85a0e1727ec%2F40quhg6_processed.png&w=3840&q=75)
Transcribed Image Text:2) Completed forms from a particular department of an insurance company were
sampled weekly to check the performance quality of the department. To establish a
tentative norm for the department, one sample of 1000 units was collected each
week for 10 weeks, with these results:
Sample Sample Size Number of Forms with Error
Week-1
74
Week-2
1000
1000
Week-3
1000
Week-4 1000
Week-5
1000
Week-6
1000
Week-7
1000
Week-8 1000
Week-9
1000
Week-10 1000
10000
42
64
84
40
50
65
66
40
75
600
a) Develop upper and lower control limits for p-Chart using a 99.7% confidence
interval.
b) Is the process under control? Why yes? Why Not?
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