College Enrollment The percentage of female high school graduates who enrolled in college is given in the table below. Year College Enrollment Percentages for Females 1970 25.5 1980 30.3 1990 38.3 2000 45.6 2010 50.5 Let a: represent time (in years) since 1970, and let :9 represent the corresponding percentage of female high school graduates who enrolled in college. See the @gression page in the Getting Started module for details on creating a regression model. Find the cubic regression model y=F(:r:) =azc3 4me +cm+d, where a is rounded to 6 decimal places, bis rounded to 4 decimal places, 0 is rounded to 3 decimal places, and dis rounded to 1 decimal place. Use this cubic regression model to answer questions 5-6 below. Question 5 2 pts Use the cubic regression model above to answer this question. Predict the percentage of female high school graduates in 2015. Round to the nearest tenth (1 decimal place). %