Preparing for the Project Management Professional Certification Exam_3

Tham khảo tài liệu 'preparing for the project management professional certification exam_3', kinh doanh - tiếp thị, quản trị kinh doanh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | I Time Management 69 Figure 2-13. Critical path method. 70 Preparing for the Project Management Professional Certification Exam I The normalprobabilitydistributionrelatesthe event ofsomethinghap-pening to the probability that it will occur. It turns out that by experiment the normal distribution describes many phenomena that actually occur. The duration as wellasthe estimated cost ofproject activities comescloseto matchhtg onormat dSsroibuteomln reality asifiher fiscriafiion colledtCe beta dincigastn firstheseph ccrmonr better icishe gh cmhi harfh io dose enougCh h-pcoctrcdtiurỊrosati _ e Sapposewehave btcheduied aciiveiy thathcranacpccrodoempletirn time of ihitty-fioe iagi In figucc TlThCc .otivsCowc she petbabilisy cf any othcrday aecurrina. etfCdshtrty-five days is the expected value of the activity it foidtwr chat itwouia tcee dir 1 016 1 111 otl of thd other pbssi l slltiae. i csttectway of safine this is dtci ifwi aSthe poestbsiitioe are shnwn sit. they represent 1 eg peraen1ofthcpo1elbiht1csdnd coy ped cent ohihsprcbcbslity. a 1 . ISinwets rouble forthisprojretiobedone thousrndb ant chousiaiils of times romcims-tTs- limeto Co lhe ecsivt1y would be 35 day times itwouhi bc ba still other times it would be 37 days. If we were to plol eic af thtau 11 tbs Wiidd findlhci af hoys accursed most often su dayto m-redc lit len ya1en 30dyyseaenlcss and1yoyi Experimentaity wecouiddeveiop otpeciatpsobabiltry forthli particake ms rnina Thun wodtd tbtoi dacribs tdc I lmbiliry c i l anna particiha dmatlo nwcuir occuewhm we realty docidedto by chep and thao task in tt e a pari cmtif at drst occderedlS-i experimentwss perforatea t1nfbt1mns Wi coyCC seythas 0 p ISA percent shaftt tyesthnactuai yotns bf lncproteetwoulb eckc 3 s cay 1 000 ofthahctihloy timeswcrebetwccn 20 andto dans. Itit imheoc1iarl td ba thtc activity e dtousani ttmer Ou-sio Std out how ldbẼ t1rvi0 oake nti1r1t1r are nhllmf to nhat many phenomest tueh es .