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thisisstupidash thisisstupidash
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6 years ago
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.
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wrote...
6 years ago
a . 31.88 to 32.12 ounces
b. 31.75 to 32.25 ounces
c. As the level of confidence increases, the confidence interval becomes wider.
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