instructor. 03) Consider an individual who has had 5 credit bureau inquiries, has used 10% of her available credit, has $14,500 of total available credit, has no collection reports or missed payments, is a homeowner, has an average credit age of 6.5 years. and has worked continuously for the past 5 years. What is the best-pruned tree's predicted credit score for this individual? If required, round your answer to nearest whole number. I (c) Repeat the construction of a single regression tree following the previous instructions, but in Step 2 of regression tree procedure to avoid overtting, set the Maximum # of tree levels to 7. How does the RMSE of the best pruned tree on the test set compare to the analogous measure from part (a)? If required, round your answer to two decimal places. 1 How many more decision nodes does the best-pruned tree have compared to the best-pruned tree from part (a)