Starting salaries of 95 college graduates who have taken astatistics course have a mean of $44,915. Suppose the distributionof this population is approximately normal and has a standarddeviation of $10,596.
Using an 85% confidence level, find both of the following:
(NOTE: Do not use commas nor dollar signs in your answers.)
(a) The margin of error:
(b) The confidence interval for the mean ?:
