Defective electronics: A team of designers was given the task of reducing the defect rate...
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Defective electronics: A team of designers was given the task of reducing the defect rate in the manufacture of a certain printed circuit board. The team decided 987 boards were produced the week before the reconfiguration was implemented, and 254 of these were defective. A total of 847 boards were produced the week after reconfiguration, and 161 of these were defective.(a) Construct a 99.5% confidence interval for the decrease in the defective rate after the reconfiguration. Use tables to find the critical value and round the answer to at least three decimal places.A 99.5% confidence interval for the decrease in the defective rate after the reconfiguration is
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