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.
Confidence interval = mean +/- z*(SD/square root n)
Where z is the z-score (use an Area Under Normal Curve table), SD is the standard ...
Included are two completely worked through solutions for constructing confidence intervals related to a specifc scenario.