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1. Two processes A and B are used to produce forgings in aireraft wing assembly. Of 200 forgings selected from process A, 10 do not conform to the strength specifications. Whereas, of 300 forgings selected from process B, 30 do not. conform to the strength specifications. i. Construct a 95% confidence interval on the difference in fraction conforming strength specifications betwoen the two p processes

1. Two processes A and B are used to produce forgings in aireraft wing assembly. Of 200 forgings selected from process A, 10 do not conform to the strength specifications. Whereas, of 300 forgings selected from process B, 30 do not. conform to the strength specifications. i. Construct a 95% confidence interval on the difference in fraction conforming strength specifications betwoen the two p processes

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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All answers must be in 4 decimal places/significant figures. Instructions: Answer ALL questions. 1. Two processes A and B are used to produce forgings in aireraft wing assembly. Of 200 forgings selected from process A, 10 do not conform to the strength specifications. Whereas, of 300 forgings selected from process B, 30 do not conform to the strength specifications. i. Construct a 95% confidence interval an the difference in fraction conforming strength specifications between the two processes. ii. Based on the results in part (i), is there any indication that the two processes have identical fractions of conforming strength specifications? Justify your answer.
Transcribed Image Text:All answers must be in 4 decimal places/significant figures. Instructions: Answer ALL questions. 1. Two processes A and B are used to produce forgings in aireraft wing assembly. Of 200 forgings selected from process A, 10 do not conform to the strength specifications. Whereas, of 300 forgings selected from process B, 30 do not conform to the strength specifications. i. Construct a 95% confidence interval an the difference in fraction conforming strength specifications between the two processes. ii. Based on the results in part (i), is there any indication that the two processes have identical fractions of conforming strength specifications? Justify your answer.
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