A university was concerned about the price of apartment rentals close to campus. A sample of 38 randomly chosen
apartments near campus yielded a 95% confidence interval for the mean monthly rent to be ($783.39, $834.61).
(a) What is the margin of error for this confidence interval?
(2 decimals)
(b) Suppose the university increased their confidence level to 99%, keeping everything else the same. How would this
affect the following quantities?
The margin of error would --
The width of the confidence interval would