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  3. 2) a random sample of 10 miniature tootsie rolls w

2) A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece...

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Basic Math

2) A random sample of 10 miniature Tootsie Rolls was taken froma bag. Each piece was weighed on a very accurate scale. The resultsin grams were:

3.087 3.131 3.241 3.241 3.270 3.353 3.400 3.411 3.437 3.477

-Assuming a normal population, use Minitab toconstruct a 95 percent confidence interval for the true meanweight. You will need to enter the data. Attach or include youroutput. (4 points)

-Write a sentence using the confidence interval found in part a.(3 points)

-Use Minitab to construct a histogram of the sample data. Usethe histogram to determine if the

assumption of normality is a valid assumption. State yourfindings. (4 points)

-What sample size would be necessary to estimate the true weightwith an error of ± 0.025 gram

with 90 percent confidence? (4 points)

Answer & Explanation Solved by verified expert
4.3 Ratings (558 Votes)
MINITAB used 2 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 3087 3131 3241 3241 3270 3353 3400 3411 3437 3477 Assuming a normal population use Minitab to    See Answer
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