The table shows the number of students in a school who like rap and/or hip-hop:Like Rap Do Not Like Rap TotalLike Hip-Hop 35 8 43Do Not Like Hip-Hop 10 21 31Total 45 29 74What is the relative frequency, by row, of students who do not like rap or hip-hop? 0.17 0.68 0.72 0.81