Question

A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were
(a) Construct a 90 percent confidence interval for the true mean weight.
(b) What sample size would be necessary to estimate the true weight with an error of ±0.03 gram with 90 percent Tootsie confidence? (Data are from a project by MBA student Henry Scussel.)


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  • CreatedAugust 19, 2015
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