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An engineer has performed wall thickness measurements many times and knows that the true variance of the wall thickness of a pipe is 0500 mm2 If the rejection criterion for sample variance is

An engineer has performed wall thickness measurements many times and knows that the true variance of the wall thickness of a pipe is 0.500 mm2. If the rejection criterion for sample variance is 0.7921 mm2 for a single wall, find the probability that the rejection criterion is good for a sample size of 21.

Jul 26 2020 View more View Less

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