Use the following to answer questions 1-3: Based on a sample of the graduation rates from195 colleges, you have performed a multiple regression relating four-year graduation rates to admission rate (ADMISRATE), an indicator of whether the college is private or public (PRIVATE, which equals 1 if the college is private, and equals 0 if the college is public). The estimated multiple linear regression model is Regression Equation GRADRATE = 0.6058 - 0.3755 ADMISRATE + 4 0.2917 PRIVATE Question 1 1l 1 point Using the multiple linear regression equation, you would estimate the average fouryear graduation rate for private colleges with admission rate equal to 0.5 to be: Question options: 0.4181