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Question 2 National Electronics Company buys parts from two subsidiaries. The quality control department at this company wanted to check if the distribution of good and defective parts is the same for the supplies of parts received from both subsidiaries. The quality control inspector selected a sample of 300 parts received from Subsidiary A, sample of 400 parts received from Subsidiary B, and a sample of 450 parts received from Subsidiary C. These parts were checked for being good or defective. The following table records the results of this investigation. Subsidiary A 284 Subsidiary B 381 19 Subsidiary C 418 Good Defective 16 32 Using a 5% significance level, test the null hypothesis that the distributions of good and defective parts are the same for the three subsidiaries.

Question 2 National Electronics Company buys parts from two subsidiaries. The quality control department at this company wanted to check if the distribution of good and defective parts is the same for the supplies of parts received from both subsidiaries. The quality control inspector selected a sample of 300 parts received from Subsidiary A, sample of 400 parts received from Subsidiary B, and a sample of 450 parts received from Subsidiary C. These parts were checked for being good or defective. The following table records the results of this investigation. Subsidiary A 284 Subsidiary B 381 19 Subsidiary C 418 Good Defective 16 32 Using a 5% significance level, test the null hypothesis that the distributions of good and defective parts are the same for the three subsidiaries.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 2 National Electronics Company buys parts from two subsidiaries. The quality control department at this company wanted to check if the distribution of good and defective parts is the same for the supplies of parts received from both subsidiaries. The quality control inspector selected a sample of 300 parts received frum Subsidiary A, sample of 400 parts received from Subsidiary B, and a sample of 450 parts received from Subsidiary C. These parts were checked for being good or defective. The following table records the results of this investigation. Subsidiary A 284 Subsidiary B 381 Subsidiary C 418 Good Defective 16 19 32 Using a 5% significance level, test the null hypothesis that the distributions of good and defective parts are the same for the three subsidiaries.
Transcribed Image Text:Question 2 National Electronics Company buys parts from two subsidiaries. The quality control department at this company wanted to check if the distribution of good and defective parts is the same for the supplies of parts received from both subsidiaries. The quality control inspector selected a sample of 300 parts received frum Subsidiary A, sample of 400 parts received from Subsidiary B, and a sample of 450 parts received from Subsidiary C. These parts were checked for being good or defective. The following table records the results of this investigation. Subsidiary A 284 Subsidiary B 381 Subsidiary C 418 Good Defective 16 19 32 Using a 5% significance level, test the null hypothesis that the distributions of good and defective parts are the same for the three subsidiaries.
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