The table shows the number of students in a school who like rap and/or hip-hop: like rap do not like rap total like hip-hop 35 8 43 do not like hip-hop 10 21 31 total 45 29 74 what is the relative frequency, by row, of students who do not like rap or hip-hop? 0.17 0.68 0.72 0.81

The relative frequency, by row, of students who do not like rap or hip-hop is:

                                0.68

                                   Like RapDo Not Like RapTotal

Like Hip-Hop                  35                      8                   43

Do Not Like Hip-Hop  10                     21            31

          Total                   45                     29            74

The relative frequency by row of an outcome is calculated as the ratio of the frequency corresponding to the outcome to the total of the row.

Total of a row is: 31

The number of students who did not like Rap or Hip-Hop is: 21

Hence, the relative frequency is: 21/31=0.6777

which is approximately equal to 0.68

m a t h w a y. c o m

step-by-step explanation: