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Mathematics, 19.12.2019 05:31 sarahgilbert1468
Astudy is going to be conducted in which a mean of a lifetime of batteries produced by a certain method will be estimated using a 90% confidence interval. the estimate needs to be within +/- 2 hours of the actual population mean. the population standard deviation s is estimated to be around 25. the necessary sample size should be at least
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Astudy is going to be conducted in which a mean of a lifetime of batteries produced by a certain met...
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