SOLUTION: 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
Algebra.Com
Question 138977: 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
3.400
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
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
This problem has been posted many times.
Go to www.algebra.com
Use the search bar to find 138528
Cheers,
Stan H.
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