Question 19 [4.762 points) I '1) Listen :l Suppose a new infectious disease has just entered into public transmission. An epidemiologist has secured the medical records of 622 cases and 130'? controls. The epidemiologist wishes to estimate the odds ratio for a hypothesized exposure variable. When looking back into the records, the epidemiologist discovers that of the cases, 498 were exposed to the risk factor and of the controls, 872 were exposed. Estimate the odds ratio to the nearest thousandth: O 4.016 O 2.011 O 2.012 2.013 None of the above