Dr Lin Is a New Doctor Who Just Finished Her

Multiple Choice

Dr. Lin is a new doctor who just finished her medical school residency last year. She is working with Dr. Sevigny, who has 20 years of experience. They are working in the Emergency Room together. A patient comes in with a long list of weird symptoms. Because the symptoms are odd, Dr. Lin decides to ask Dr. Sevigny for some help so she can be sure to provide a correct diagnosis. When the patient says he has a stuffy nose, shoulder pain, and a numb left foot, Dr. Sevigny asks him if he is a firefighter. Dr. Sevigny explains to Dr. Lin that he has seen this group of symptoms together in two patients before, and both of those patients were firefighters he had seen over 10 years ago.
-Dr.Sevigny has actually seen five patients in the past with these symptoms,but only two of them were firefighters.Dr.Sevigny still thinks it is likely that the new patient is also a firefighter.His assumption suggests Dr.Sevigny is guilty of _____________.

A) ignoring base rates
B) the availability bias
C) the Gambler's Fallacy
D) the overconfidence bias