系統(tǒng)集成項(xiàng)目管理工程師重---計(jì)算題詳細(xì)解析參考資料

項(xiàng)目管理工程師考前培訓(xùn)計(jì)算題,1,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,2,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,3,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,4,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,5,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,例1：公司的某項(xiàng)目即將開始，項(xiàng)目經(jīng)理估計(jì)該項(xiàng)目10天即可完成，如果出現(xiàn)問題耽擱了也不會超過20天完成，最快6天即可完成。根據(jù)項(xiàng)目歷時(shí)估計(jì)中的三點(diǎn)估算法，你認(rèn)為該項(xiàng)目的歷時(shí)為（37）該項(xiàng)目歷時(shí)的估算標(biāo)準(zhǔn)差為（38）。（37）A10天B11天C12天D13天（38）A2.1天B2.2天C2.3天D2.4天,解答:(37)BT=(6+4x10+20)/6=11(38)C=(20-6)/6=2.3,6,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,例2：A任務(wù)持續(xù)時(shí)間悲觀估計(jì)為36天，最大可能估計(jì)為21天，樂觀估計(jì)為6天。那么A行為在16到26天之間完成的概率有多大？A.55.70%B.68.26%C.95.46%D.99.73%,解答：（1）求出。=（36-6）/6=5（2）由可知21+5=2621-5=16，因此1626天落在1分布內(nèi)。（3）由1的概率P為68.26可得答案為B.68.26%注意：必須記住三個(gè)數(shù)字是168.3%295.5%399.7%,7,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,例3：,8,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,9,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,10,2020/5/11,PERT（計(jì)劃評審技術(shù)）計(jì)算,11,2020/5/11,12,2020/5/11,13,2020/5/11,14,2020/5/11,15,2020/5/11,16,2020/5/11,PERT=（40+4*50+180）/6=70(周)答案：B,17,2020/5/11,18,2020/5/11,19,2020/5/11,分析：如果使用8個(gè)人，那么誤差兩天，那么這個(gè)活動102，最少8天，最多12天。另，如果使用1個(gè)人，那么8(102),那么這個(gè)活動最少64人天，最多96人天。,20,2020/5/11,掙值分析計(jì)算,21,2020/5/11,掙值分析計(jì)算,22,2020/5/11,掙值分析計(jì)算,23,2020/5/11,掙值分析計(jì)算,24,2020/5/11,掙值分析計(jì)算,25,2020/5/11,掙值分析計(jì)算,26,2020/5/11,掙值分析計(jì)算,27,2020/5/11,掙值分析計(jì)算,28,2020/5/11,掙值分析計(jì)算,29,2020/5/11,掙值分析計(jì)算,30,2020/5/11,掙值分析計(jì)算,31,2020/5/11,掙值分析計(jì)算,32,2020/5/11,掙值分析計(jì)算,33,2020/5/11,掙值分析計(jì)算,34,2020/5/11,掙值分析計(jì)算,35,2020/5/11,掙值分析計(jì)算,36,2020/5/11,掙值分析計(jì)算,37,2020/5/11,掙值分析計(jì)算,38,2020/5/11,掙值分析計(jì)算,39,2020/5/11,掙值分析計(jì)算,40,2020/5/11,掙值分析計(jì)算,41,2020/5/11,掙值分析計(jì)算,42,2020/5/11,掙值分析計(jì)算,43,2020/5/11,掙值分析計(jì)算,44,2020/5/11,掙值分析計(jì)算,45,2020/5/11,掙值分析計(jì)算,46,2020/5/11,掙值分析計(jì)算,47,2020/5/11,掙值分析計(jì)算,48,2020/5/11,掙值分析計(jì)算,49,2020/5/11,掙值分析計(jì)算,50,2020/5/11,掙值分析計(jì)算,51,2020/5/11,掙值分析計(jì)算,52,2020/5/11,掙值分析計(jì)算,53,2020/5/11,掙值分析計(jì)算,54,2020/5/11,掙值分析計(jì)算,55,2020/5/11,掙值分析計(jì)算,56,2020/5/11,掙值分析計(jì)算,57,2020/5/11,掙值分析計(jì)算,58,2020/5/11,掙值分析計(jì)算,59,2020/5/11,掙值分析計(jì)算,60,2020/5/11,掙值分析計(jì)算,61,2020/5/11,掙值分析計(jì)算,62,2020/5/11,掙值分析計(jì)算,63,2020/5/11,掙值分析計(jì)算,64,2020/5/11,掙值分析計(jì)算,65,2020/5/11,掙值分析計(jì)算,66,2020/5/11,掙值分析計(jì)算,67,2020/5/11,掙值分析計(jì)算,68,2020/5/11,掙值分析計(jì)算,69,2020/5/11,掙值分析計(jì)算,70,2020/5/11,掙值分析計(jì)算,71,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,凈現(xiàn)值（NPV）是反映投資方案在計(jì)算期內(nèi)獲利能力的動態(tài)評價(jià)指標(biāo)。投資方案的凈現(xiàn)值是指用一個(gè)預(yù)定的基準(zhǔn)收益率（或設(shè)定的折現(xiàn)率），分別把整個(gè)計(jì)算期間內(nèi)各年所發(fā)生的凈現(xiàn)金流量都折現(xiàn)到投資方案開始實(shí)施時(shí)的現(xiàn)值之和。,72,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,73,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,74,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,75,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,76,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,77,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,78,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,79,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,80,2020/5/11,凈現(xiàn)值的計(jì)算（NPV）,81,2020/5/11,凈現(xiàn)值的計(jì)