房地产投资净现值风险(大小)的正态分布图像计算法

Calculation of the Risk of Net Present Value in Real Estate Investment by Normal Distribution Graphics

本文运用概率论基本原理，采用正态分布图像法及其评判模型，求解反映房地产开发等类型投资项目获利能力的重要动态经济评价指标、净现值的风险大小，使评价和选择项目投资决策方案更趋正确、科学。

On the principle of possibility and normal distribution graphics, the risk size of the net present value, which is one of the most important movement economic index being used to measure the ability of getting profits in investment projects, is estimated. Thus we can make the decision of evaluating and choosing investment project correct, scientific and effective.