试题69-喜-技-Y.ZJ.18.p469-2.12-决策树分析

决策树分析法通常用决策树图表进行分析，根据下表的决策树分析法计算，图中机会节点的预期收益EMV分别是90和（69）（单位:万元）

                                                  75%  $300

                               Ture                         $200

                                       机会节点的EVM（_69_）       

                               -$100              25%  $60   -$40                                                                                                                                        

                                                  75%  $150

                               False                          $110

                                                 机会节点的EVM $90

-$40               25%  $70    $30

A、160  B、150  C、140  D、100

试题（69）分析

开发的预期收益是200*75%+（-40）*25%=140

参考答案：

（69）C