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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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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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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