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How do you derive the numbers .99928 and .9943 in part d of this question. I only need help with part d.

How do you derive the numbers .99928 and .9943 in part d of this question. I only need help with part d.

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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How do you derive the numbers .99928 and .9943 in part d of this question. I only need help with part d.

Thank you.

(USL- LSL) C, ,= 60 (46- 36) 6(1.5785) 10 9.471 1.055 Hence, process capability i.e. C, is 1.055 (d) percentage of rework = Pr{x>USL} 46-40) =1-0{ 1.5785 =1-0{3.8010} =1-0.99928 0.00072 percentage of scrap = Pr {x < LSL} (40-36 =1-0 1.5785 =1-¢{2.5340} =1-0.9943 = |0.0057 Hence, the percentage of rework producing is 0.072% and the percentage of scrap producing is 0.57 %.
Transcribed Image Text:(USL- LSL) C, ,= 60 (46- 36) 6(1.5785) 10 9.471 1.055 Hence, process capability i.e. C, is 1.055 (d) percentage of rework = Pr{x>USL} 46-40) =1-0{ 1.5785 =1-0{3.8010} =1-0.99928 0.00072 percentage of scrap = Pr {x < LSL} (40-36 =1-0 1.5785 =1-¢{2.5340} =1-0.9943 = |0.0057 Hence, the percentage of rework producing is 0.072% and the percentage of scrap producing is 0.57 %.
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