You Decide That a Bearded Professor Wearing a Rumpled Sports

You decide that a bearded professor wearing a rumpled sports coat is a member of the art faculty, rather than the business school faculty (which actually has more members) because he looks like an artist. What judgment error have you committed?

A) You relied too heavily on the anchoring and adjustment heuristic.
B) You should not have trusted your hindsight so completely.
C) You should have been more aware of the law of large numbers.
D) You did not pay enough attention to the base rate.