A survey was done that asked people to indicate whether they preferred to ride a street bike or a mountain bike.The results of the survey are shown in the two-way table. Amjed is making a relative frequency table from this data. What operation should Amjed perform to determine the relative frequency of a person over 30 years old who prefers to ride a mountain bike?

Answer : option dThe results of the survey are shown in the two-way table.  To determine the relative frequency of a person over 30 years old who prefers to ride a mountain bike, we look at the data given for mountain bike that is over 30 years oldOver 30 years old, mountain bike is 26Now we add all the data given in the table and divide 26 by total to get relative frequency58 + 164 + 216 + 26 = 463Relative frequency (over 30 years 0ld ) = [tex]\frac{26}{463}[/tex]So answer is divide 26 by 463