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- 15. For the network shown: Crash Cost/week - (CC-NC)/(NT-CT) TOTAL COST-$44,000 Crash D-$1,000 Crash G-$2,000 Crash A-$3,000 0 0 ATS) Activity A B 54 C D E F 45 45 B(10) C(8) 1514 15 10 13 12 14 Normal Time 5 8 6 7 14 15 15 D(6) 21 20 19 21 a. Determine the critical path and the early completion time in weeks for the project. b. For the data shown, reduce the project completion time by three weeks. Assume a lin- ear cost per week shortened, and show, step by step, how you arrived at your schedule. 20 19 E(7) 14 13 17 F(4) 17 21 Normal Cost $7,000 12,000 5,000 4,000 3,000 6,000 7,000 21 20 21 25 G(4) 25 Crash Time 3 7 7 24 23 22 A 2 B3 C1 D1 E1 5 6 F1 3 G1 Crash Cost $13,000 18,000 7,000 5,000 6,000 7,000 9,000 A $3,000 B $2,000 C $2,000 D $1,000 E $3,000 F $1,000 G $2,000Q1: Draw the allocation of resources chart on the earliest and latest start time for the project that its information shown below, and identify the most reasonable of them and why? A BCD EF GH IJ 1-2 1-3 2-4 2-5 3-4 4-7 4-8 5-6 6-9 7-9 8-9 5 Activities K Events 4 3 Duration 2 7 1 6 5 7 4 resources 3 4 2 3 5 4 3 2 The final solution is simi- lar to this method Resource 7 6 E F 4 D 3 2 A Time 2 4 10 12 14 161.The chief engineer of firm XYZ is responsible for supervising the construction work of a road. He has identified the activities and their durations for each stage of operation. Activity Duration (days) Preceding activities A 5 - B 10 - C 1 - D 8 B E 10 B F 9 B G 3 A,D H 7 A,D I 4 F J 3 F K 5 C,J L 8 H,E,I,K M 4 CJ Draw a network diagram (AOA) for this road construction project. Which are the critical activities? How long the project will take?
- States) B E- Text Predictions: On Activity A I U 2. Given below are additional details for the Evergreen Company's construction project, i.e. three time estimates. B C D ALL E F Optimistic 0.5 ARDCCDGEe Normal 2.5 1 0.9 0.5 Most Likely 1 2 3 2 1 AaBb CcDdEe No Spacing 1 AaBbCcL AaBbCcDd. Heading 1 Heading 2 Pessimistic 2 2.5 3.5 3 1.1 1.5 a) Calculate the expected completion times and completion variances for each activity. b) What are the expected days to completion now for Evergreen? c) Compute the variance and standard deviation of the Evergreen project's completion time. d) What is the probability that the Evergreen Company's project can be completed in 6.5 days? e) What would be Evergreen Company's completion days if we needed a 95% confidence level? f) Which noncritical activities should Evergreen Company monitor closely? Why? Focus EThe expected times and variances for the activities for a project for Test Marketers, Inc. are given below. (Assume time is provided in days.) ID 12345678 Description Pilot production Select channels of distrib. Develop mktg. program Test market Patent Full production Ad promotion Release Predecessor None None None 1 1 4 3 2,5,6,7 t₂ 6 7 4 4 10 16 3 2 Varlance [(b-a)/6]² 34225221 10Q1: The project manager for a specific mechanical engineering project assigns 10 different activities to complete this project successfully. These activities have several immediate predecessors as it shown in the table below Most Likely (Weeks) Immediate Optimistic (Weeks) Pessimistic Activity Description Predecessor(s) (Weeks) A 4 7 10 В A 2 20 A 8. 12 16 D B 1 3 E D, C 6. 8 22 3 4 G F 2 2 2 H. F 8 10 I E, G, H 4 8 12 1 2 3 Answer the following questions and show detailed calculations. 1. Draw the project network 2. What is the expected time for activity B? [! 3. What is the variance for activity B? 4. Based on the calculation of estimated times (expected duration), what is the critical path? 5. What is the estimated time of the critical path? 6. What is the activity variance along the critical path? 7. Based on regular CPM calculations, what is the critical path? 8. What is the probability of completion of the project before week 42?
- AABCDE Activity J К Predecessor None PZABUD FGHL-KL EOFICI LA C H с H J.I,K Draft PDS Identify team Kickoff team meeting Source previous rocket Identify & order missing or new materials/parts Assembly Simulation Alpha Test Beta Test Training of key people Buy food to bring Launch DITONT Duration (wks) 1 1 0 2 4 8722860 1. Show the Critical Path. Give reasons for your answer. 2. If you needed to shorten the duration of the project, which activity or activities would you shorten and why?Table below gives estimates in weeks, for forned activity (Durations are PERT. using Activity Duration Preceded Resources Ryan 5 1. 15 Order review 2. Order vender parts 3. Produce standard parts 20 custom parts development Manufacture custom parts 10 4. Design 13 5 18 7. Assemble 10 5 I 1 I 1 4 Carly Ryan Lauren Connor Ryan 2,3,6 Dawn Test 2,5 been engaged to you Assuming that project detalje have indicated festurces), USE CCPM (Critical Chain Project Management) below (Aur Project: to ESTIMATE the project duration by showing Jage of your programming procesa lindicate each and andA network consists of the activities in the following list. Times are given in weeks. Activity Preceding Time A В 3 -- C A 7 А, В 3 E 4 F D a. Draw the network diagram. b. Calculate the ES, EF, LS, LF, and Slack for each activity. Early Finish Early Start Task Late Late Slack Start Finish A B C D E F c. What is project completion time?
- c) A research and development department in XYZ Company is developing a new product for the company to attract more customers and hence maximize on sales. The R & D manager has revealed that the following activities will take place in the coming weeks. Activity ABCDEFGH А с Η I Immediate predecessors None A A B B с E D,F G,H Optimistic time 4 5 4 15 10 8 4 1 6 Most likely time 6 7 8 20 18 9 00 8 2 7 Pessimistic time 8 15 12 25 26 16 12 3 8 Page 1 of 5 i. Draw the network for this project. ii. Calculate the estimated time for each activity. iii. Find the Critical Path and the expected number of weeks for completion of the project.20 a * O O O yp 11:EY .USS 101 -June 06, 2021 ... الوقت المتبقی 0:47:21 0 Not yet answered سؤال 26 Marked out of 1.00 The performance of the mangers can bee seen in the function of :Select one a. All given options b. Planning c. decision Making d. Organizing e. Controlling أخل اختياري التالي ( ) السابق IIActivity Event Immediate 1 2 3 4 15 16 7 18 19 B. The following table shows the various activities of the development of a new product in your organization. 10 A B C D E F G H I Predecessor(s) A A B B C D E,F,G |Н I Estimates of Activity Duration (Weeks) Most Likely Pessimistic (Tm) 3 2 ? Optimistic (TO) 2 1 11 |? 3 2 ? 3 3 5 ? 3 12 14 ? (Tp) 4 ? 4 16 5 4 16 5 Questions: a. Calculate ALL the missing (?) data points. b. Draw the PERT network from the given data. Average (Te) ? 2 2.2 15 14 3 2.2 14 c. Determine ALL the paths. the critical path and its total duration in days.