“Critical activities determine the project completion time”. Justify the statement.
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“Critical activities determine the project completion time”. Justify the statement.
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- Problem #2 Develop a network for the problem (below). Determine the total project completion time and the critical path(s). Activity Immediate Predecessors Time (Days) A - 3 B - 7 C A 4 D B 2 E C, D 5 F A 6 G E, F 3Q2/ For the project data in Table below, answer the following questions: a) Draw an AOA network of the project and Perform forward path and backward path calculations with critical path identification? b) What are the effect of delaying activities C by 2 days and D by 20 days? Duration Immediate Activity (day) predecessor A 20 ------- 8 ---- -- 23 ------ 19 A E 16 C F 24 C G 18 Е, В H. 4 D,E, B 10 G, DRoger Ginde is developing a program in supplychain management certification for managers. Ginde haslisted a number of activities that must be completed beforea training program of this nature could be conducted. Theactivities, immediate predecessors, and times appear in theaccompanying table: a) Develop an AON network for this problem.b) What is the critical path?c) What is the total project completion time?d) What is the slack time for each individual activity?
- 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…The following table shows estimates of activity times (in weeks) for a project: Optimistic Time 5 Activity A B с D EFG 1 4 5 6 2.5 7.5 Most Probable Time 5.5 3 5 5.5 7 b. What is the probability that the project will be completed within 31 weeks? 3 8.5 Suppose that the critical path is A-C-D-E-G. Use Appendix A to answer the questions. Do not round intermediate calculations. Round your answers to three decimal places. a. What is the probability that the project will be completed within 34 weeks? d. What is the probability that the project will be completed in 33 weeks? C. What is the probability that the project will be completed in more than 32 weeks? Pessimistic Time 9 5 6 9 8 3.5 12.5Given is a Project with network diagram and activity times as shown below. Activity Time (wks) A 13 B 5 Start с 14 A c) The Slack time of Activity C = Blank 3 weeks D D a) The Earliest Start (ES) time of Activity I = Blank 1 weeks 9 b) The Latest Start (LS) time of Activity B = Blank 2 weeks f) The Project Completion time = Blank 6 weeks d) The Earliest Finish (EF) time of Activity H = Blank 4 weeks e) The Latest Finish (LF) time of Activity B = Blank 5 weeks B F E 12 E F LL 17 H G 9 J H 15 - 15 J 2
- Roger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. The activities, immediate predecessors, and times appear in the accompanying table: Activity Immediate Predecessor(s) A BCDEFG с This exercise contains only parts b, c, and d. b) The critical activities for the leadership training program development project are c) The project length for the leadership training program development project = d) Slack time for each of the activities is: days. Activity A B C ס ח ד 0 F B A, D C E, F G Slack Time Time (days) 4 6 1 103510QUESTION 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 correctProject path a-co f has these activity time estimates in days: Optimistic Activity Time Most Pessimistic Likely Time (to) (Im) (tp) a 20 25 30 25 30 32 e 15 17 20 f 18 18 18 a. Compute the expected time or duration (te) for each activity. b. Compute the variance (Vt) for each activity. c. Compute the expected duration and variance for the path. (6
- ← Consider the following crash data for a project. Times are given in weeks. ACTIVITY A B C D E F How many week(s) of crashing are available for activity E in the table above? Activity E has sweeks of crashing available. What will be the cost of activity E if it is completed in 3 weeks? The cost will be $ NORMAL TIME 4 7 8 3 7 6 CRASH TIME 4 5 3 1 1 3 NORMAL COST ($) 1,400 5,000 5,700 2,400 1,100 2,800 CRASH COST ($) 1,400 6,200 8,700 3,800 5,900 5,200 (s) po TimeThe following project has a critical path of ACD with an expected duration of 10 weeks and a standard deviation of 2 weeks. Given the cost data below. What is the P95 estimate of the cost of the project, Мean Stdh. Dev. Activity Predecessors Cost ($K) Cost ($K) none A 4 1.5 A 7. 2.75 B,C 2 0.5 O 19.6 O 8.4 22.8 O 24.2 O 14.6The network diagram and task times for a project are shown below. A2 Task A1 A2 A3 A4 A5 A₁ A3 Duration (days) 6 5 9 2 6 What is the slack for activity A3? A4 +>> A5