What aspect of risk assesses the chances that a requirement might not be fulfilled?

The aspect of risk that assesses the chances that a requirement might not be fulfilled is referred to as risk likelihood. This concept focuses on determining how probable it is that a specific risk event will occur, which, in this case, relates directly to the possibility of a requirement failing to be met. Understanding risk likelihood allows business analysts and project stakeholders to prioritize risks and manage their potential impact appropriately.

While other aspects of risk, such as appetite, tolerance, and impact, play crucial roles in a comprehensive risk management strategy, they do not specifically measure the probability of a requirement's fulfillment. Risk appetite refers to the level of risk an organization is willing to accept, while risk tolerance indicates the acceptable variation in performance relative to objectives. Risk impact assesses the consequences of a risk event if it occurs. However, to focus on the likelihood of a requirement not being fulfilled, risk likelihood is the most relevant factor.