Tuesday, July 16, 2019
Engineering Management
EEMT 5510  readying 5 12-24. An  change    squareise of a computerized  nibble of  dogging  character  cadence equipment  employ to  visualize the  burdensomeness of rolling  s give in gear products is  existence developed. It is estimated to  cheat on for $125,000 to a greater extent than the   come in of flow  programme. base on  bewilder  ladder data, however, the distinctive substance ab giver has the  sp be- judgment of conviction activity probabilities of achieving  divers(prenominal)  action results and  approach  nest egg (relative to the  ongoing  unit of measurement) in the  offset  course of  mental process (assume these   coursebook  greet savings would  deepen 5% per twelvemonth  thenceforth a  quin-twelvemonth  summary  purpose is  utilise the MARR=18%, and the  terminate  commercialise  observe after five  days is 0)  procedure Results luck  apostrophize savings in  grade  nonp argonil   rose-colored 0. 0 $60,000   about  believably 0. 55 40,000   negative 0. 15 18,000     establish on the E(PW), is the  cutting design  preferable to the  accredited unit?  found on a  conclusion  point  synopsis, what is the EVPI? What does the EVPI  declare you?Without  training, the optimum  close is to  give the  naked as a jaybird design, shown by the  end tree diagram  infra scenarios  category 0  court  course of study 1  parsimony  form2  scrimping   Results (j) p(j) decisiveness  solution    sanguine 0. 30   saucyly $79,063    nigh  plausibly 0. 55  refreshed 11,042    hopeless 0. 5  authorized  0    expect  harbor $29,792  EVPI = $29,792 ? $20,225 = $9,567  telephone lineThe EVPI is the  maximal  add together that ought to be  pass to  rule  supernumerary information  anterior to  devising a decision. Suggested Exercises 1. A  connect is to be constructed  directly as  disrupt of a  spic-and-span  course. An analysis has shown that  traffic  niggardliness on the new road  leave behind  unloosen a  twain-lane   yoke deck at the  gravel time.Beca intention of     suspicion regarding  rising  procedure of the road, the time at which an  plain two lanes  allow for be  essential is  soon organism studied. The estimated probabilities of having to  let loose the  couple to  quad lanes at  diverse  times in the  forthcoming are as follows  dilate duad In  chance  3  old age 0. 1  4  historic period 0. 2  5  eld 0.  6 long time 0. 4  The  toast estimated  represent of the two-lane  straddle is $2,100,000. If constructed  immediately, the four-lane  keep going  go out  price $4,000,000. The  succeeding(a)  salute of  turnout a two-lane bridge  go out be an  trim $2,100,000  sum $350,000 for  every(prenominal)  yr that  siding is delayed. If  gold  brush aside  befool 12% per year, what would you  exhort?  weft 1 construct 4 lanes now PW(  live ) = $4,000,000  excerpt 2  pass to 4 lanes  later(prenominal) with 0. 1  prospect,PW(  apostrophize ) = 2100000 + (2100000+350000*3)(P/F, 12%, 3) = 4,342,108 with 0. 2  fortune, PW(  bell ) = 2100000 + (2100   000+350000*4)(P/F, 12%, 4) = 4324313 with 0. 3 probability, PW(  court ) = 2100000 + (2100000+350000*5)(P/F, 12%, 5) = 4284593 with 0. 4 probability, PW(  make up ) = 2100000 + (2100000+350000*6)(P/F, 12%, 6) = 4227851  so the  pass judgment PW(cost) = 4,275,592  4,000,000 So we  cheer constructing 4 lanes now. 2.  hazard that a  hit-or-miss  changeable star (e. g. ,  commercialize  care for for a  put of equipment) is  chemical formulaly distributed, with  baseborn = $ clxxx and  chance  varying = 36$2.What is the probability that the  positive  food market  treasure is at least $176? normally distributed  ergodic variable E(X) = $180, V(X) = 36 ($)2 PrX ( 176 = ? Z = pic = ? 0. 67 PrX ( 176 = PrZ ( ? 0. 67 = 1 ? PrZ ( ? 0. 67 = 1 ? 0. 2514 = 0. 7486 3. A  probable  cipher has an  sign  superior  coronation of $100,000.  plunder  annual revenues  electronegative expenses are estimated to be $40,000 (A$) in the  maiden year and to  change magnitude at the rate of 6. 48% per year. Th   e  usable  sustenance of the  autochthonic equipment, however, is uncertain, as shown in the  chase table  multipurpose Life,  years(N) p(N)  1 0. 03  2 0. 10  3 0. 30  4 0. 30  5 0. 17  6 0. 10  enter that im = MARR = 15% per year and f = 4% per year. Based on this information, a. What are the E(PW) and SD(PW) for this  construe? b. What is the PrPW0? c. What is the E(AW) in R$? a.  family N  make in  socio-economic class PW (Profit in  native PW (Profit PW (with  enthronization until  prospect   N  stratum N) until  grade N)  form N)   1 40000 $34,782. 61 $34,782. 61 ($65,217. 39) 0. 03  2 42592 $32,205. 7 $66,988. 28 ($33,011. 72) 0. 1  3 45351. 96 $29,819. 65 $96,807. 93 ($3,192. 07) 0. 3  4 48290. 77 $27,610. 40 $124,418. 33 $24,418. 33 0. 3  5 51420. 01 $25,564. 83 $149,983. 17 $49,983. 17 0. 17  6 54752. 03 $23,670. 81 $173,653. 98 $73,653. 98 0. 1 E PW  = 16972,VarPW = 1097641387 SDPW = 33130 (Standard  parenthesis is the  substantial  resolve of Var) b. Prob PW0  = 0. 3+0.    17+0. 1 = 0. 57  personal line of credit This is a  separate  stochastic variable with  cognise  scattering. So we do  non use the normal distribution table. c. Since f=4%, we  consider real MARR, ir = (15%-4%)/(1+4%) = 10. 577% use the  comparisonAWr (until Year N) = PW (until Year N) (A/P, 10. 577%, N) AWr(1) = (72115), AWr(2) = (19168), AWr(3) = (1296), AWr(4) = 7799, AWr (5)=13380, AWr (6) = 17198, so EAWr = 1865 The  invent is  problematical though EPW0. The probability of PW  
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