Quality Control A production manager for Telektronics claims that her new process for manufacturing CDs is better

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Quality Control A production manager for Telektronics claims that her new process for manufacturing CDs is better because the rate of defects is lower than 2%, which had been the rate of defects in the past. To support her claim, she manufactures a batch of 5000 CDs, then randomly selects 15 of them for testing, with the result that there are no defects among the 15 selected CDs. Assuming that the new method has the same 2% defect rate as in the past, find the probability of getting no defects among the 15 CDs. Based on the result, is there strong evidence to support the manager’s claim that her new process is better?

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Elementary Statistics

ISBN: 9780201775709

9th Edition

Authors: Mario F. Triola

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