i White Rejecti = 1 0.001 \\times Credit_Scorei + e M i Minority Use this relationship for parts 1-3. 1. What is the average credit score for White borrowers? For minority borrowers? 2. What share of White borrower mortgages are rejected? Minority borrower mortgages? What is the difference in White and minority borrower rejection rates? 3. Rick argues that the answer from part (2) is evidence of discrimination. Do you agree? Explain. To defend itself against Rick' s accusation, Notorious argues that Rick' s regression model does not account for differences in loan amounts. White borrowers borrow $200k on average, while minority borrowers borrow $100k on average. Rick estimates a new set of regression models including loan amount (in thousands of