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Topic: CI for non-normal binomial?
Replies: 9   Last Post: Jun 18, 1996 3:36 PM

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Stephen Landry

Posts: 2
Registered: 12/18/04
CI for non-normal binomial?
Posted: Jun 12, 1996 6:50 PM
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My apologies for the cross-posting.

I am working on a project for a company that is audit sampling its various
products. Defects are of an attribute manner, so there are no variances
within tolerance ranges to measure. For some of the products, the company
is finding no defects out of as much as 50,000 pieces, and 1 defect out of
as much as 100,000 pieces for others. Obviously, it would be expensive to
keep sampling until five defects are found, just so a Normal approximation
to the Binomial can be used. What is the appropriate method to calculate
the confidence intervals or interval estimates for the defect rates?

Any help is very much appreciated.

Steve Landry
The Hartford Graduate Center

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