IMSE2133 Worksheet 9 complete solutions correct answers key
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IMSE2133 Worksheet 9 complete solutions correct answers key
In a process of the manufacturing of component parts, the procedure has been changed. If 100 of 3000 items from the old procedure were found to be defective and 30 of 1000 items from the new procedure were found to be defective, find a 95% C.I. for the difference in the fraction of defectives between the two procedures.
1. What is the sample size ๐1 for the old procedure?
2. What is the sample size ๐2 for the new procedure?
3. What is the estimated fraction of defectives ๐ฬ1 of the old procedure?
4. What is the estimated fraction of defectives ๐ฬ2 of the new procedure?
5. What is ๐ผ?
6. What is ๐ง๐ผ/2? IMSE2133 Worksheet 9
7. What is the difference in the estimated fraction of defectives between the two procedures?
8. What is the standard error √ ๐ฬ1๐ฬ1 ๐1 + ๐ฬ2๐ฬ2 ๐2 ?
9. Write the 95% C.I. for the difference in the fraction of defectives between the two procedures.
[Solved] IMSE2133 Worksheet 9 complete solutions correct answers key
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- Submitted On 15 Mar, 2016 03:16:51
- Kmgina
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- Solutions : 462
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- Earned : $47433.48
IMSE2133 Worksheet 9 complete solutions correct answers key
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