appropriate answer for each of the mean confidence interval problems. 1) Construct a 94% confidence interval for the population mean, μ. Assume the population has a normal distribution. A sample of 40...

appropriate answer for each of the mean confidence interval problems.
1) Construct a 94% confidence interval for the population mean, μ. Assume the population has a normal distribution.
A sample of 40 part-time workers had mean annual earnings of $3120 with a standard deviation of $677. Round to
the nearest dollar. (Show work)