A cellular telephone manufacturer that entered the post regulation market quickly has an initial… 1 answer below »

A cellular telephone manufacturer that entered the post regulation market quickly has an initial problem with excessive customer complaints and consequent returns of cell phones for repair or replacement. The manufacturer wants to estimate the magnitude of the problem in order to design a quality control program. How many cellular telephones should be sampled and checked in order to estimate the fraction defective, p, to within .01 with 90% confidence?

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