Answer:
The representative's bias
Explanation:
Representatives bias is a cognitive bias. In this bias, an individual will categories the situation on the bases of the previous experience. It is very useful when a person wants to take a quick decision. But it is limited for those who are stereotyped. It includes many representative heuristic biases.
Thus here in the above statement, John gets to know about Michelle who is blonde hair, likes the beach and lived in Newyork. John assumes that she is from California because 85% of students were from California. This is the best example of representative bias