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Risk is the lack of certainty about the outcome of making a particular choice. Statistically, the level of downside risk can be calculated as the product of the probability that harm occurs (e.g., that an accident happens) multiplied by the severity of that harm (i.e., the average amount of harm or more conservatively the maximum credible amount of harm).
Probabilistic risk assessment (PRA) is a systematic and comprehensive methodology to evaluate risks associated with a complex engineered technological entity (such as an airliner or a nuclear power plant) or the effects of stressors on the environment (probabilistic environmental risk assessment, or PERA).
Risk assessment determines possible mishaps, their likelihood and consequences, and the tolerances for such events. [1] The results of this process may be expressed in a quantitative or qualitative fashion. Risk assessment is an inherent part of a broader risk management strategy to help reduce any potential risk-related consequences. [1] [2]
Example of risk assessment: A NASA model showing areas at high risk from impact for the International Space Station. Risk management is the identification, evaluation, and prioritization of risks, [1] followed by the minimization, monitoring, and control of the impact or probability of those risks occurring. [2]
Qualitative risk analysis is a technique used to quantify risk associated with a particular hazard. Risk assessment is used for uncertain events that could have many outcomes and for which there could be significant consequences. Risk is a function of probability of an event (a particular hazard occurring) and the consequences given the event ...
Project risk is defined as, "an uncertain event or condition that, if it occurs, has a positive or negative effect on a project's objectives". Project risk management aims to increase the likelihood and impact of positive events and decrease the likelihood and impact of negative events in the project. [39] [40]
Risk is the potential of losing something of value, weighed against the potential to gain something of value. Risk hinders the achievement of objective and it has two attributes. Likelihood: Probability of Risk Event (P) Consequences: Impact of Risk Event (I) In Risk based internal auditing two types of risks are considered. Inherent risk
Risk score are designed to represent an underlying probability of an adverse event denoted {=} given a vector of explanatory variables containing measurements of the relevant risk factors. In order to establish the connection between the risk factors and the probability, a set of weights β {\displaystyle \beta } is estimated using a ...