a. Calculate the expected time and variance for each activity. . Calculate the activity slacks and determine the critical path, using the expected activity times. c. What is the probability of completing the project within 23 weeks?
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- Problem 1 The following data represent the plan of a project in Magic Corporation: Times (weeks) Activity A B C D DEF Predecessor G H 1 J A A A B, C D a 4 2 2 1 3 4 1 1 3 1 m 5 4 4545300 E, F G G H, I a. Draw the network diagram and find the critical path. b. Estimate the expected completion time of the project. c. Calculate the probability that the job will take more than 30 weeks to complete. d. Calculate the probability that the job will take less than 26 weeks. 3 8 b 12 12 6 9 5 6 4 2 5 9 11 3 Сл(2) Cables By Us is bringing a new product on line to be manufactured in their current facility in existing space. The owners have identified 11 activities and their precedence relationships. (a) Draw the network diagram of this project (b) Calculate the project completion time (c) Identify the critical path Immediate Duration Activity Description Predecessar (weeks) A Develop product specifications Designmanufacturing process Source & purchase materials D None 4 B 3 Source & purchase tooling & equipment Receive &install tooling & equipment F 6 E D 14 Receive materials G Filot production run H E&F 2 Evaluate product design Evaluate process performance Wite documentation report Transition to manufacturing G 2 G J H&I 4 K J 2 AABPart 1: Below matrix shows one of the important data used in project management, identify the name of the matrix and explain the roles of each person involved in this matrix. Total= 10 marks Facilities Plant Mgr HR Security Project Mgr Identify a minimum of three asphalt R contractors from Angie's List Arrange for contractor visits and quotes Review quotes and references, A R make contractor selection Review and finalize contract, lock in plant shutdown week R Communicate project to shutdown maintenance crew, make sure all R vehicles are removed from the lot Provide security gate access codes for asphalt crew by June 15 A Oversee the project during the plant shutdown week, ensure it is A R completed on time R = Responsible, A = Accountable, C = Consulted, I = Informed
- QUESTION 16 Refer to the project addressed in questions 21-30 of your Quiz 1 and associated worked solutions used in our review session. The following table of probabilistic time estimates (in weeks) and activity predecessors are provided for the project. Activity A B D E Table 1 Reference: Ref 1 optimistic most likely time time 3 4 2 6 5 5 8 3 9 9 pessimistic time 7 10 5 12 15 Activity Predecessor A A B, C D Using Table 1, which of the following statements are correct? O A. The latest finish time of activity B is the same as its earliest finish time O B. Activity A is critical because it is the starting activity in the project O C. Activity D must be critical because it is the only predecessor of activity E O D. Answers A and B are correct O E. Answers A and C are correctConstruct a network diagram for this project? TABLE 1: Activities and duration project Duration in weeks __________________________________ Activity Proceeding activity Optimistic Most likely Pessimistic A - 2 3 3 B - 10 12 15 C A 4 5 8 D B 2 2 2 E A, D 3 3 3 F…Humber Web Design Co. is organizing a new project to increase efficiency and improve relations with their clients. The project manager for this initiative has broken the project up into several parts as follows: Activity Activity Description Immediate Predecessor Activity time (days) A Identify Client Base ― 44 B Develop Client Prospectus ― 35 C Perform Design Analysis ― 46 D Program Back End A, B, C 43 E Program Front End A 27 F Project Consolidation D, E 36 (a) For the given project, fill in the nodes of the network diagram below. A E 44 27 Start B D F Finish Time 35 43 36 Time C 46 (b) Using the network diagram, fill in the table. Make sure that you put the values in the appropriate columns. Activity Earliest Start (ES) Latest…
- 11-23 Tom Schriber, the director of personnel of Manage-ment Resources, Inc., is in the process of designing a program that its customers can use in the job-findingprocess. Some of the activities include preparingresumés, writing letters, making appointments to seeprospective employers, and researching companiesand industries. The information on these activities isshown in the following table: (d) Determine the critical path(s) and project com-pletion time. (e) Determine the probability that the project willbe finished in 70 days or less.(f) Determine the probability that the project willbe finished in 80 days or less.1. Define what a PERT diagram is relative to project planning.Below is the first set of activities (Phase I) in constructing a new house, the respective time required to finish each activity, and the precedence relations. Activity A Description Predecessor Duration (in wks) 1 Clear site Bring utilities to the site Excavate 2 A 1 D Pour Foundation Outside Plumbing 2 E B,C 6 Frame House 8 G Do electric wiring Lay Floor Lay Roof Inside Plumbing 3 G 2 F 1 E,H (f) What is the largest number of weeks allotted to finish the electrical wirings without delaying the project? (g) If there will be a delay in doing the outside plumbing without delaying the entire project, how long should it be?
- Humber Web Design Co. is organizing a new project to increase efficiency and improve relations with their clients. The project manager for this initiative has broken the project up into several parts as follows: Activity Activity Description Immediate Predecessor Activity time (days) A Identify Client Base ― 33 B Develop Client Prospectus ― 21 C Perform Design Analysis ― 35 D Program Back End A, B, C 47 E Program Front End A 13 F Project Consolidation D, E 11 (a) For the given project, fill in the nodes of the network diagram below. A E 33 13 Start B D F Finish Time 21 47 11 Time C 35 (b) Using the network diagram, fill in the table. Make sure that you put the values in the appropriate columns. Activity Earliest Start (ES) Latest…Activity A B CDEFG 3. You have been appointed as the project leader of a project to be undertaken by your company. You have identified the following tasks and made the time estimates for each task as listed in the table below: с Preceding "from" activity A A A B,C C,D,E F Succeeding "to" activity B,C,D E E F F G Estimated duration work days) 3 5 3 10 8 14 7 a) Use the above table to construct a project network diagram. b) Determine the critical path for the project and its duration.Consider the following table: ACTIVITY PREC. ACT. TIME ESTIMATES (days) to tml tp te A --- 2 3 4 B --- 4 7 10 C A 1 2 3 D B 2 5 8 E B 4 6 8 F C , D 1 1 1 G E 3 4 5 H G , F 3 6 15 1. Construct a PERT network. [NOTE: This is the most crucial part of the exercise. Make sure you…