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Author Question: A local manufacturer supplies you with parts, and you would like to install a quality monitoring ... (Read 38 times)

jayhills49

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Question 1

A hospital-billing auditor has been inspecting patient bills. While almost all bills contain some errors, the auditor is looking now for large errors (errors in excess of $250). Among the last 100 bills inspected, the defect rate has been 16%. Calculate the upper and lower limits for the billing process for 99.7% confidence.

Question 2

A local manufacturer supplies you with parts, and you would like to install a quality monitoring system at his factory for these parts. Historically, the defect rate for these parts has been 1.25% (You've observed this from your acceptance sampling procedures, which you would like to discontinue). Develop ± 3σ control limits for this process. Assume the sample size will be 200 items.


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Marked as best answer by jayhills49 on Dec 3, 2019

dpost18

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jayhills49

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Reply 2 on: Dec 3, 2019
Great answer, keep it coming :)


shailee

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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