The proportions of defective parts produced by two machines were compared, and the following data were collected. Determine a 90% confidence interval for p1 - p2. (Give your answers correct to three decimal places.) Machine 1: n = 144; number of defective parts = 10 Machine 2: n = 159; number of defective parts = 6 Lower Limit   Upper Limit

MATLAB: An Introduction with Applications
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The proportions of defective parts produced by two machines were compared, and the following data were collected. Determine a 90% confidence interval for p1 - p2. (Give your answers correct to three decimal places.)

Machine 1: n = 144; number of defective parts = 10
Machine 2: n = 159; number of defective parts = 6
Lower Limit  
Upper Limit  
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