某项目在主要风险变量的不同情况下，可能发生事件对应的财务净现值及其概率如下表所示，则该项目净现值大于或等于零的累计概率为()
B
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英译汉：Evenasexchangesemergetoenablerichinteractionamongcompanies,businessesarelookingforwardtotheInternettoenabletheadoptionoftrulydynamicpricing.Onesolutionisemergingintheformofbots,softwarethatservesasanagentactingonbehalfofaspecificuserorapplication.Advancingbottechnologyenablesdynamic,automated,real-timeinteractionbetweenbuyersandsellers,allowingsellerstocapturethetruevalueoftheirgoodsinthemarket.