Mathematics, 26.11.2019 01:31 jamesleecy06
Confidence interval and hypothesis test on the proportion 1. a composites manufacturer is having serious problems with porosity in their parts. a quality engineer samples 300 parts and finds 58 defective. (a) test the hypothesis that defective rate (proportion defective) exceeds 15%. test at α = 0.05. what is the parameter of interest? what assumptions are made? show mathematical evidence to support assumption.
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Confidence interval and hypothesis test on the proportion 1. a composites manufacturer is having ser...
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