Question: a. The new mini-laptop computers can deliver as much computing power as machines several times their size, but they weigh in at less than 3

a. The new mini-laptop computers can deliver as much computing power as machines several times their size, but they weigh in at less than 3 l
b. How large a sample would be needed to estimate the population mean weight if the maximum error of estimate is to be 0.4 of 1 standard deviation with 95% confidence?

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