Draw the project network ii. Compute the expected time and variance for each activity Compute slack for each event and find the critical path i. iii.
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- 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 correctPROJECT PLANNING & SCHEDULING WITH PERT/CPM Given the activities of a project; their optimistic (to), most likely (tm) and pessimistic (tp) time estimates (te); and their immediate predecessors shown below:1. When is the earliest project completion?2. Which activities are critical (should not be delayed)?3. Which activities are noncritical (can be delayed)?4. How long can each of the activities be delayed without delaying the wholeproject (maximum slack)? Activities ImmediatePredecessors Activity Times (to) Activity Times (tm) Activity Times (tp) Activity Times (te) Maximum Slack,months A - 1 4 13 B A 4 7 16 C A 2 2 2 D C 4 6 14 E - 1 3 5 F E 3 5 13 G - 7 10 13 H G 6 7 14 I B, D 1 1 1 J F, H, I 13 16 25Crashed Completion time (week) Crashed Cost per Preceding Activity Normal Completion Time (week) Activity week A 7 5 $600 $700 $400 $800 12 10 A 8 2 D 9 7 E C, D 5 4 $300 F E 9 8 $500 G D, F 10 10 Find the minimum possible completion time of the project by considering the crashed completion times and the minimal total cost of that crashing the project. Highlight the critical and non-critical activities of the finally completed project by taking into account the crashed times of activities.
- Activity Duration Predecessor Variance: [(b-a)/6]2 A 2 None 1 B 3 A 2 C 4 B 3 D 10 B 9 E 6 C 5 F 4 C 6 G 5 D 8 H 2 E, F, G 1 I 3 H 4 Given the project network information, complete the forward and backward pass. What is the probability of completing the project in 21 periods? Group of answer choicesQl: For the project listed below, find the following items: 1- Total project finishing time, 2- Critical path 3- Free float for each task. 4- If Activity B is delayed by 7 weeks. As a project manager explains how this will affect the total project critical path. Dependency or Predecessor Activity الفعالية Duration in Weeks المدة بالأسابيع Activities الاعتمادية او الفعاليات السابقة C 6. 4 3 A 7 С, В, Р U 4 T 2 A 3 A 6. UA project has the following activities. Activity Duration (Days) 1-2 1-3 4. 1-4 3. 2-5 3-5 6. 4-6 5. 5-6 7. Required:- Draw the project network. Find the critical path and total project duration. Find the Earliest Start Time, Earliest Finish Time, Latest Start Time, Latest Finish Time. Find Total Float, Head Event Slack, Free Float, Tail Event Slack and Independent Float.
- PROJECT PLANNING & SCHEDULING WITH GANNT CHART Given the activities of a project; their optimistic (to), most likely (tm) and pessimistic(tp) time estimates; and their immediate predecessors shown below:1. When is the earliest project completion?2. Which activities are critical (should not be delayed)?3. Which activities are noncritical (can be delayed)?4. How long can each of the activities be delayed without delaying the wholeproject (maximum slack)? Activities Activity Times,months ImmediatePredecessors Maximum Slack,months A 2 - B 3 - C 2 A D 4 B E 4 C F 3 C G 5 D, E H 2 F, GConsider the project described in the table below: Activity Duration A B C D E F G H 9 4 8 8 5 7 4 6 OEST-9 and LCT = 15 OEST=9 and LCT = 13 Immediate Predecessor What is the earliest start time (EST) and latest completion time (LCT) of activity B? OEST=9 and LCT = 20 OEST-9 and LCT-17 - A A A B B,C C,D E,F,GA. What is the critical path for this project network? A-B-C-D-E-F-G-H A-C-F-H A-D-G-H B-E-G-H B. What is the probability that the critical path for this project will be completed within 75 weeks? (Please use decimal point format.)
- Practice Question EVM: A simple project consists of five tasks and is scheduled to take 13 weeks to complete. The actual status of the project at the end of week 9 is given in the following table: Project Plan Task | Duration Start (weeks) Actual status Actual current cost complete S350 S225 $475 $300 End Budget Percent week week $300 100% 100% $250 $450 $600 $500 B 2 100% 75% 75% C 4 4 7. 9. 13 D 3 6 8 $300 a) For each activity, compute the ACWP, BCWP, BCWS and add the columns to get the projected total. Record your answers in the table below. Task ACWP BCWP BCWS E b) Calculate: CV,SV,CPI, and SPI:PROJECT PLANNING & SCHEDULING WITH PERT/CPM Given the activities of a project; their optimistic (to), most likely (tm) and pessimistic (tp) time estimates (te); and their immediate predecessors shown below:1. Which activities are noncritical (can be delayed)?2. How long can each of the activities be delayed without delaying the whole project (maximum slack)? Activities ImmediatePredecessors Activity Times (to) Activity Times (tm) Activity Times (tp) Activity Times (te) Maximum Slack,months A - 1 4 13 B A 4 7 16 C A 2 2 2 D C 4 6 14 E - 1 3 5 F E 3 5 13 G - 7 10 13 H G 6 7 14 I B, D 1 1 1 J F, H, I 13 16 25Q1) The project schedule has the following characteristics: Activity Time (weeks) Activity A В C D F G H. Predecessor В В A D E --- --- - Duration 10 7 5 6. 9. 8. 12 10 (i) Construct the project network. And find the critical path. (ii) Compute E and L for each event. (iii) Find the total float time for each activity.