4. The following table gives a two-way classification of the gender and age group of college students at a Midwestern university: Gender Age Female Male Total 15 to 17 years old 89 61 150 18 to 24 years old 5,668 4,697 10,365 25 to 34 years old 1,904 1,589 3,493 35 years or older 1,660 970 2,630 Total 9,321 7,317 16,638 a. What percent of students are female? b. What percent of students are female or between 25 to 34 years old? c. What percent of female students are between the ages of 18 to 34?