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?
(c) Discuss the factors which might cause variation in the weight of Tootsie Rolls during manufacture.
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Solution: The solution consists of 2 pages
Deliverables: Word Document
Deliverables: Word Document
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