A sample of 144 cans of coffee showed an average weight of 32 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 ounces
b.
...
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