(a) Predict the mean interest rate of all individuals whose credit score is 730.
(b) Construct a 90% confidence interval for the mean interest rate of all individuals whose credit score is 730.
(c) Predict the interest rate of Kaleigh, whose credit score is 730.
(d) Construct a 90% prediction interval for the interest rate of Kaleigh, whose credit score is 730.
(e) Explain the difference between the prediction made in parts (a) and (c).