In a case-control study, the odds ratio provides a good approximation of the risk ratio... (choose all that apply) )When the exposure factor being studied does not occur frequently. When the controls are representative of all people with the disease in the population from which the cases were drawn. When the disease being studied does not occur frequently (rare disease). When the controls are representative of all people without the disease in the population from which the cases were drawn When the cases are representative of all people without the disease in the population from which the cases were drawn. When the cases are representative of all people with the disease in the population from which the cases were drawn