Question

which term refers to the possibility of an investor losing some or all of an investment?

risk
probability
likelihood
chance

Explanation:

In finance (a sub - field of Business), risk is defined as the possibility of an investor losing some or all of an investment. Probability, likelihood, and chance are more general terms related to the quantification or concept of something happening, but they do not specifically refer to the loss in an investment context as directly as risk.

Answer:

risk