摘要：Enterprises use IT system in business sector/information management sector and production management sector on purpose of the operation, which, of course, is inseparable from risk management. Two non-independent risk estimates functions are hence founded in order to receive the information of risk easily, that is, the cash flow-based evaluation functions. Applying the logarithmic probability-distribution function in the estimates function as well as giving an example by simulating, this essay has explained the affection of the uncertain factors to the enterprise management such as the business treatment and so on. At last, it has commented the application of the estimates function in the risk management.
关键词：IT System; Non-Independent; Risk Management; Logarithmic Probability-Distribution Function
