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A. Find the sample size. (Round up your answer to the next whole number.) B.How would you tell someone to do the test? Randomly sample LSI using the sample size from part a, reject the lot if more than _____ defective.

A. Find the sample size. (Round up your answer to the next whole number.) B.How would you tell someone to do the test? Randomly sample LSI using the sample size from part a, reject the lot if more than _____ defective.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter14: Data Mining
Section14.2: Classification Methods
Problem 11P
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Large-scale integrated (LSI) circuit chips are made in one department of an electronics firm. These chips are incorporated into analog devices that are then encased in epoxy. The yield is not particularly good for LSI manufacture, so the AQL specified by that department is 9% while the LTPD acceptable by the assembly department is 44%. Assume the company is willing to accept a consumer's risk of 10 percent and a producer's risk of 5 percent. (Use Exhibit 10.16.) (pictured below) 

A. Find the sample size. (Round up your answer to the next whole number.)

B.How would you tell someone to do the test? Randomly sample LSI using the sample size from part a, reject the lot if more than _____ defective. 

exhibit 13.10 Excerpt from a Sampling Plan Table for a = 0.05, B = 0.10 LTPD ÷ AQL n AQL LTPD AQL n- AQL 44.890 0.052 3.549 2.613 1 10.946 0.355 6. 3.206 3.286 6.509 0.818 7 2.957 3.981 4.890 1.366 8. 2.768 4.695 4.057 1.970 9. 2.618 5.426 3 4
Transcribed Image Text:exhibit 13.10 Excerpt from a Sampling Plan Table for a = 0.05, B = 0.10 LTPD ÷ AQL n AQL LTPD AQL n- AQL 44.890 0.052 3.549 2.613 1 10.946 0.355 6. 3.206 3.286 6.509 0.818 7 2.957 3.981 4.890 1.366 8. 2.768 4.695 4.057 1.970 9. 2.618 5.426 3 4
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