Carbon composition resistors with mean resistance

Reference no: EM13836370

Carbon composition resistors with mean resistance 560 O and coefficient of variation 10% are produced by a factory. They are sampled each hour in the quality control lab. What sample size would be required so that there is 95% probability that the mean resistance of the sample lies within l0 O of 560 O if the population mean has not changed?

Reference no: EM13836370

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