Mathematics, 12.12.2019 23:31 livdance
Assume that a large pile of split firework has a normal distribution of weights with a standard deviation o=3.0lbs . a random sample of n=20 pieces is collected and the mean piece weight is found to be x=6.3lbs
find the confidence interval for the population mean u that corresponds to a confidence level of 80%
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Assume that a large pile of split firework has a normal distribution of weights with a standard devi...
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