A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on a very
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:
3.087 3.131 3.241 3.241 3.270 3.353 3.400 3.411 3.437 3.477
(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 grams with 90 percent confidence?
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Solution: The answer consists of 2 pages
Solution Format: Word Document
Solution Format: Word Document
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