Essay
A sample of 144 cans of coffee showed an average weight of 16 ounces. The standard deviation of the population is known to be 1.4 ounces.
a.Construct a 68.26% confidence interval for the mean of the population.
b.Construct a 97% confidence interval for the mean of the population.
c.Discuss why the answers in Parts a and b are different.
Correct Answer:

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a.31.88 to 32.12
b.31.75 to 32...View Answer
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Correct Answer:
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b.31.75 to 32...
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