A research team is analyzing the association between leukemia and exposure to gasoline by pumping gas. They use the population of Allentown PA for their study, which has a population of 10,000 people. Out of this, a total of 5,000 participants are recruited into the study (2568 males and 2432 females). In this sample, 14 individuals have leukemia. A total of 4583 of her participants regularly pump gas; 11 of them have leukemia. Using these data, Question 4 options: They calculate an Odds Ratio and decide there is a protective effect where cases were less likely to report pumping gas. They calculate an Odds Ratio and decide there is a positive association where cases were more likely to report pumping gas. They calculate a Relative Risk and decide there is a protective effect where pumping gas was associated with a decreased likelihood of leukemia. They calculate a Relative Risk and decide there is a positive association, where pumping gas was associated with an increased likelihood of leukemia