California highway patrol statistics revealed that more accidents occurred to blue cars than to cars of any other color. the inference that while driving a blue car, one is at higher risk of an accident than while driving a car of another color is
a. correctb. incorrect, because the comparison is not based on ratesc. incorrect, because no control or comparison group is usedd. incorrect, because no test of statistical significance has been madee. incorrect, because prevalence is used instead of incidence