Daily samples of 100 power drills are removed from Drill Master's assembl pected for defects. Over the past 21 days, the following information has E Develop a 3 standard deviation (99.73% confidence) p-chart and graph the s rocess in control? Number of Defective Drills Number of Defective Drills Day Day 1 6. 12 2 13 4 3 14 4. 15 69
Daily samples of 100 power drills are removed from Drill Master's assembl pected for defects. Over the past 21 days, the following information has E Develop a 3 standard deviation (99.73% confidence) p-chart and graph the s rocess in control? Number of Defective Drills Number of Defective Drills Day Day 1 6. 12 2 13 4 3 14 4. 15 69
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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Transcribed Image Text:621 Daily samples of 100 power drills are removed from Drill Master's assembly line and in-
spected for defects. Over the past 21 days, the following information has been gathered.
Develop a 3 standard deviation (99.73% confidence) p-chart and graph the samples. Is the
process in control?
Number of
Defective Drills
Number of
Defective Drills
Day
Day
6.
12
13
4
5.
14
3
15
16
17
6.
18
5.
8.
19
9.
20
3
10
21
7
11
643t n36 37
123 456N
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Transcribed Image Text:Daily samples of 100 power drills are removed from the assembly line at Drills by Stergios Fotopoulos and inspected for defects. Over the past
21 days, the following information has been gathered.
DAY
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
6 5 6 4 3 4 5 3 6 3 7 5 4 3 4 5 6 5 4 3 7
DEFECTIVES
Develop a 3 standard deviation (99.73% confidence) p-chart and graph the samples.
Upper Control Limit (UCLp) = (round your response to four decimal places).
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