Mathematics, 09.12.2019 19:31, etampus0220

To assess the accuracy of a kitchen scale a standard weight known to weigh 1 gram is weighed a total of n times and the mean, , of the weighings is computed.

suppose the scale readings are normally distributed with unknown mean, µ, and standard deviation = 0.01 g.

how large should n be so that a 90% confidence interval for µ has a margin of error of ± 0.0001?

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To assess the accuracy of a kitchen scale a standard weight known to weigh 1 gram is weighed a total...