Reducing the maximum error of estimation

Reference no: EM13105510

A researcher conductued a study of the access speed of 35 hard drives and concluded that his maximum error of estimate was 35. If he were to conduct a second study to reduce the maximum error of estimate to 7, about how many hard drives should he include in his new sample?

35; 70; 175; 875?

Reference no: EM13105510

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