Estimate true weight with an error normality distribution

Reference no: EM13146482

How to construct a 99 percent confidence interval for the true mean weight. How to find a sample size and to estimate the true weight with an error of 0.03 grams with 99 percent confidence? How to construct a 95 percent confidence interval for the population proportion of positive drug tests. How to tell if the normality distribution?

Reference no: EM13146482

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Estimate true weight with an error normality distribution : Estimate the true weight with an error of 0.03 grams with 99 percent confidence? How to construct a 95 percent confidence interval for the population proportion of positive drug tests. How to tell if the normality distribution?

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