Final answer:
An entrepreneur determines what constitutes a risk by observing their own tolerances and carefully calculating the risks against potential benefits.
Step-by-step explanation:
The subject of this question is Business.
An entrepreneur determines what constitutes a risk by observing their own tolerances. Entrepreneurs are known as risk-takers, but successful ones carefully calculate and weigh the risks against the potential benefits before investing their money in a project. It depends on their personal preferences and the context of different time frames.