ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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NOTE: ANSWER NO. 4 ONLY, LAST SUBPART.
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- Different types and capacities of crawler hoes are being considered for use in a significant excavation project to bury fiber-optic cable in Argentina. Several supervisors who have experience with similar projects have identified key attributes and their view of relative importance. Determine the weighted rank order (0 to 10 scale) and the normalized weights. Attribute Comment 1. Truck vs. hoe height 90% as important as trenching speed 2. Type of topsoil Only 10% of most important attribute 3. Type of subsoil 30% as important as trenching speed 4. Hoe cycle time Twice as important as type of subsoil 5. Hoe trenching speed Most important attribute 6. Cable-laying speed 80% as important as hoe cycle timearrow_forwardSo my t = 12.964 is wrong? How can I be sure that t = 90? Greatly Appreciated!!arrow_forwardprovide certification & registrations needed to start sole trade truck business; for these services: towing/ carrying = R500, rental-hire = R1500, local moving (furniture/office/warhousing & courier, truck wash, packing/ unpacking) = R1650/day. Regional routes from: Cape town, Durban, johannesburg, blomfontein, port elizabeth. Include detailed business plan for company name (Zltdex transport)arrow_forward
- Calculate the sensitivity with respect to PW to +50% alters in (a) Initial investment (ii) Net annual receipt, (iii) MARR for following information Investment $95K, useful life 10 years, MARR=12%, Salvage value $10K, Annual receipts $20Karrow_forwardPLS HELP ASAP ON BOTHarrow_forwardpls help asap on botharrow_forward
- How did you come about these rates/Values: 14.29;24.4;17.49;12.49;8.93; 8.92;8.93 ???arrow_forwardFind the lower bound of the confidence interval, rounding the result to four decimal places. Р(1 — р) p - E = P – Z«j2\ %3D 0.57(1 – 0.57) = 0.57 1.960 1,007 Find the upper bound of the confidence interval, rounding the result to four decimal places. P(1 — р) p + E : p + z 0.57(1 – 0.57) = 0.57 + 1.960 1,007 Therefore, a 95% confidence interval for the population proportion of adults who lack confidence they will be able to afford health insurance in the future is from a lower bound of X to an upper bound ofarrow_forwardpls help asap on botharrow_forward
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