How to solve this ?

Solve the problem. A sample of 350 students was selected and each was asked the make of their automobile (foreign or domestic) and their year in college (freshman, sophomore, junior, or senior). The results are shown in the table below. Year in College Freshman Sophomore . Junior Senior Total Car Foreign 15 65 100 25 205 Domestic 10 45 80 10 145 Total 25 110 180 35 350 Given that you know the selected student is in the senior class, find the probability they drive a domestic automobile. O 10/35 15/350 15/205 O 25/35