Draw and analyze a project network diagram to answer the following questions: What is the most that Activity E can be delayed in starting, without delaying the project? O A. 22 О в. 21 C. 19 D. 20 Е. 18
Q: a. Choose the correct network diagram for this project.
A: A network diagram refers to the visual representation of the flow of the project and it shows the…
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A:
Q: a. Which activity has the largest slack?
A: THE ANSWER IS AS BELOW:
Q: Activity Preceding activity Optimistic Most Pessimistic Likely A 3 8 A 1 3 C A 11 D 4 3 4 В, С В, D…
A: A - 3 6 8 B A 1 3 5 C A 2 2 11 D C 4 3 4 E B, C 3 5 4 F B, D 5 2 2 G E, F 3 6 12…
Q: a) The corect precedence diagram for the project is shown in t
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A: Activity Predecessors Time A None 6 B A 3 C A 7 D C 2 E B,D 4 F D 3 G E,F 7
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Q: a. Find the critical path.
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Q: Build a PERT Network Diagram for a 3-month project with 6 activities (A to F) and 5 nodes
A: The answer is as below:
Q: Activity Normal_time Crash_time Normal_cost Crash_cost Slack A. 31 17 4800 6200 B 14 14 5500 5500 34…
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- Q1: Given the information below, draw the network (AOA) and find the probability of finishing the job in (40) weeks? Solve using PERT. Activity notation Weeks 1-2 2-3 2-4 2-5 3-6 4-7| 5-7 6-8 7-8 8-9 2,7,8 5,6,9 3,7,8 4,5,6 6,9,10 6,8,11 4,6,7 5,7,10 4,8,9 4,7,9 [50%]Time Immediate Time Immediate Activity (weeks) Predecessor(s) Activity (weeks) Predecessor(s) A 7 4 7 B 3 11 C, E 1 7 D.F Dave's earliest start (ES) and earliest finish (EF) are: Activity ES EF 7 B 10 7 E 11 G 22 20 Dave's latest start (LS) and latest finish (LF) are: Activity LS LF H 15 G 11 F 9 E 7 D 14 A The slack times are: Activity Slack A D E F G H The activities on the critical path are The total project completion time for Dave = weeks.A plant is acquiring new production machinery. Before the machinery can be fully functional, a number of activities must be performed. The activities, their precedence relationships, and their durations are shown in the following table. Days Activity a m b Immediate Predecessors A 6 8 10 - B 4 5 6 - C 1 2 3 - D 8 18 28 A E 4 5 6 C F 7 8 9 B, D, E G 4 5 9 B, D, E H 12 13 14 F I 8 9 10 F J 4 5 6 G, H K 2 5 8 I, J L 1 2 6 G, H Use excel to answer the following; a) Develop a project network for this problem. b) Determine the expected duration and variance for each activity. c) Determine the EST, EFT, LST, LFT, and slack for each activity.
- What is the minimum cost of crashing the following project at Sawaya Robotics by 4 days? ACTIVITY Design (A) Wiring (B) Chip install (C) Software (D) Testing (E) NORMAL CRASH TIME (DAYS) TIME (DAYS) 8 7 7 6 6 6 9 6 NORMAL COST 400 1,100 700 900 1,200 CRASH COST 550 1,300 800 1,250 1,950 IMMEDIATE PREDECESSOR(S) The minimum cost of crashing the following project at Sawaya Robotics by 4 days is $ whole number). A, B C (enter your response as aHumber 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…Given 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
- Three activities are candidates for crashing on a project network for a large computer installation (all are, of course, critical). Activity details are in the following table: Normal Activity Time (days) A B с 7 4 11 Crash Time (days) 6 2 9 Normal Cost $5,000 $1,400 $4,200 Total Cost with Crashing Immediate Predecessor(s) $5,500 $3,100 $6,200 AQUESTION 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 correctFullscreen Activity Immediate Normal Time Cost/day Lower Time Predecessor (days) b Limit None 3 450 1. None 300 2 200 1. 2. 100 1 AB 500 1 C.D 4. 600 Draw a network diagram for this project and identify the critical path. How long will the project take, if no crashing takes place? Reactions Record Breakout Rooms Share Screen Chat Participants 3.
- 6. Suppose you are given the following data for a project: Activity Expected Activity Time (in days) ABCDEFGH F 24 24 30 Variance 2.1 2.8 1.8 H What is the probability the project will take less than 80 days? a. 2.5% b. 16% c. 84% d. 97.5% e. 99.85% I Critical Path Z 27 7 NDevelopment of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table: Normal Crash Activity Time (weeks) Time (weeks) A B 3 1 3 4 3 2 2 a) Based on the given information regarding the activities for the project, the project length с D E F G 2 8 6 Normal Cost $2,100 $2,300 $500 $2,400 $900 $3,400 $1,600 weeks Total Cost with Crashing Immediate Predecessor(s) $2,700 $3,000 $500 $2,700 $1,350 $4,900 $2,200 С D, E← 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 Time