Construct a network diagram b. State the expected finish time and critical path of the project
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1) given the pert chart below,
Activity | predecessor | optimistic time (days) | likely time(days) | pessimistic time(days) | |
F | _____ | 3 | 6 | 10 | |
G | F | 4 | 8 | 14 | |
H | F, G | 1 | 3 | 8 | |
I | G, H | 5 | 7 | 10 | |
J | H | 2 | 4 | 8 | |
K | I, J | 2 | 5 | 9 |
a. Construct a network diagram
b. State the expected finish time and critical path of the project. (inclusive of the dummy start and dummy finish )
c. State the probability of the project being finished in 28 days.
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- 114. Duration Task Estimates A ABCDE F 2 5 1 2 3 12 Click here for the Excel Data File Req B1 b-1. Identify the critical path. b-2. Identify the earliest start and finish. Task b-3. Identify the slack for each task. c. Which of these activities should the project manager track most closely? OUM TI Complete this question by entering your answers in the tabs below. D days days day F E F E F C days days days B A Immediate Predecessors None Identify the slack for each task. Note: Leave no cells blank - be certain to enter "0" wherever required. None A B A B and D E and C C, E B, D Immediate Successors Req B2 Req B3 Req C Latest Completion Latest Start (LS) SlackConstruct 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…Draw a Project Network and determine the critical path of this project? Activity Description Predecessor Duration (Days) A Order review None 2 B Order Parts A 15 C Produce Parts A 10 D Design Parts A 13 E Design Software A 18 F Produce Hardware C,D 15 G Assemble B,F 10 H Test E,G 5 A) A>D>F>G>H B) A>B>G>H C) A>E>H D) A>C>F>G>H
- 1. Define what a PERT diagram is relative to project planning, and explain the importance of a PERT diagram in a project plan.8. Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A 7 − E 4 B B 6 − F 5 B C 4 A G 11 C, E D 2 A H 8 D , F Part 2 Dave's earliest start (ES) and earliest finish (EF) are: Activity ES EF A ___ 7 Activity ES EF B ____ Activity ES EF C _____ Activity ES EF D ___ Activity ES EF E ___ Activity ES EF F __ Activity ES EF G ____…An electronic contractor is examining the amount of time his crews take to complete wiring jobs. Some crews take longer than others. For an upcoming job, a list of activities and their optimistic, most likely, and pessimistic completion times are given in the following table. Days Activity a m b Immediate Predecessors A 2 5 8 - B 1 3 5 - C 1 2 3 - D 5 6 7 C E 1 3 5 B, D F 5 9 13 A, E G 1 2 3 A, E H 2 5 8 F I 9 10 11 G J 13 15 20 G K 4 7 10 H, I 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. d) What is the critical path and project completion time? e) What is the probability that the job will finish in 33 days or less? f) Submit your excel file
- An electronic contractor is examining the amount of time his crews take to complete wiring jobs. Some crews take longer than others. For an upcoming job, a list of activities and their optimistic, most likely, and pessimistic completion times are given in the following table. Days Activity a m b Immediate Predecessors A 2 5 8 - B 1 3 5 - C 1 2 3 - D 5 6 7 C E 1 3 5 B, D F 5 9 13 A, E G 1 2 3 A, E H 2 5 8 F I 9 10 11 G J 13 15 20 G K 4 7 10 H, I a) Develop a project network for this problem. b) What is the critical path and project completion time? c) What is the probability that the job will finish in 33 days or less?An electronic contractor is examining the amount of time his crews take to complete wiring jobs. Some crews take longer than others. For an upcoming job, a list of activities and their optimistic, most likely, and pessimistic completion times are given in the following table. Days Activity a m b Immediate Predecessors A 2 5 8 - B 1 3 5 - C 1 2 3 - D 5 6 7 C E 1 3 5 B, D F 5 9 13 A, E G 1 2 3 A, E H 2 5 8 F I 9 10 11 G J 13 15 20 G K 4 7 10 H, I 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.An electronic contractor is examining the amount of time his crews take to complete wiring jobs. Some crews take longer than others. For an upcoming job, a list of activities and their optimistic, most likely, and pessimistic completion times are given in the following table. Days Activity a m b Immediate Predecessors A 2 5 8 - B 1 3 5 - C 1 2 3 - D 5 6 7 C E 1 3 5 B, D F 5 9 13 A, E G 1 2 3 A, E H 2 5 8 F I 9 10 11 G J 13 15 20 G K 4 7 10 H, I 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. d) What is the critical path and project completion time? e) What is the probability that the job will finish in 33 days or less?
- Jordanne King, the project manager for Webjets International, Inc., compiled a table showing time estimates for each of the activities of a project to upgrade the company’s Web page, including optimistic, most likely, and pessimistic.a. Calculate the expected time, te, for each activity.b. Calculate the variance, s2, for each activity.Activity Optimistic (days) Most Likely (days) Pessimistic (days)A 3 8 19B 12 15 18C 2 6 16D 4 9 20E 1 4 7Using the following project information Activity Optimistic TimeEstimate(weeks) Most Likely TimeEstimates (weeks) Pessimistic TimeEstimates (weeks) ImmediatePredecessor(s) A 2 3 5 none B 2.6 4 5 A C 5 7 8 A D 3 5 7 B, C E 4 7 14 B, C F 2 5 8 D G 4 5 6 E H 6 6 7 F I 4 7 10 G J 2 3 3 H, I The critical path is A-C-E-G-I-J. Activity A B C D E F G H I J Variance 0.25 0.16 0.25 0.44 2.78 1.00 0.11 0.03 1.00 0.03 (a) Calculate the probability that the project will be completed in 31 weeks. (Round your answer to 4 decimal places, e.g. 1.7945.) P(project ≤ 31) = enter a probability (b) Calculate the probability that the project will be completed in 35 weeks. (Round your answer to 4 decimal places, e.g. 1.7945.) P(project ≤ 35) = enter a probability1. Define what a PERT diagram is relative to project planning.