Mathematics, 13.12.2019 05:31 manyah6189
Acertain change in a process for manufacture of component parts is being considered. samples are taken using both the existing and the new procedure so as to determine if the new process results in an improvement. if 75 of 1500 items from the existing procedure were found to be defective and 80 of 2000 items from the new procedure were found to be defective, find a 90% confidence interval for the true difference in the fraction of defective items between the existing and new process.
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Acertain change in a process for manufacture of component parts is being considered. samples are tak...
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