Mathematics, 04.03.2021 20:40 sabrinarea041904

A researcher wants to conduct a study of the access speed of hard drives and estimate the population mean with 99% confidence. How many hard drives should he include in his sample to be accurate within 3 nanoseconds if the standard deviation of the population is known to be 8.0 nanoseconds?

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A researcher wants to conduct a study of the access speed of hard drives and estimate the population...