The relative frequency of those who owned japanese cars previously who now bought american cars is

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A automobile marketing firm conducts a study to see what types of cars people owned before buying an American car. The results are shown below. What is the relative frequency of those who owned Japanese cars previously who now bought American cars?
American-760
Japanese-375
Korean-72
German-37
Other-24
Total-1268

In sales terms, relative frequency refers to how often sales of a certain product within a subgroup happen compared to overall sales on other subgroups in that product.
In this case, the relative frequency of the japanese cars would be 375/1268=.2957(100)=29.6%

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