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  3. 3. a machine is used to fill containers with a liq

3. A machine is used to fill containers with a liquid product. Fill volume can be...

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Advance Math

3. A machine is used to fill containers with a liquidproduct. Fill volume can be assumed to be
normally distributed. A random sample of ten containers isselected, and the net contents
(oz) are as follows: 12.03, 12.01, 12.04, 12.02, 12.05, 11.98,11.96, 12.02, 12.05, 11.99.
a. Suppose that the manufacturer wants to besure       that the mean netcontents
exceeds 12 oz. Whatconclusions can be drawn from the data. Use a = 0.01.
b. Construct a 95% two-sided confidence interval on the mean fillvolume.
c. Does the assumption of normality seem appropriate for the fillvolume data?
d. Repeat (a,b,c) above for a = 0.05. Compare with results for a =0.01.

Answer & Explanation Solved by verified expert
4.1 Ratings (818 Votes)
a 001From given data we havemean 12015Sample std deviation 003027Right tailed testMean difference std error test    See Answer
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