Owen, a project manager, has identified the following activities and the predecessor and activity timeinformation for a project he is in charge of. Prepare a Gantt Chart based on the assumption that all activitieswill start at the earliest time possible and determine how long will the project take to complete. Activity A B CDEFGHIJKLM Predecessor --- A,B A,B C,D E F, G G,HCG,I J,K L Duration(weeks) 3 2 2 3444453423 27 weeks 28 weeks 29 weeks 30 weeks 31 weeks

ActivityPredecessorDurationA-3B-2C-2DA, B3EA, B4FC, D4GE4HF, G4IG, H5JC3KG, I4LJ, K2ML3

Answered: Owen, a project manager, has identified…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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K 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: Immediate Time Activity (weeks) Predecessor(s) Activity (weeks) ITI A A A B C D Time 5 6 2 2 Dave's earliest start (ES) and earliest finish (EF) are: Activity A E F G H ES EF 5 5 6 9 7 Immediate Predecessor(s) B B C, E D, F ncorre
2. The time estimates (in weeks) for the activities of a PERT network are given below. (i) (ii) 1-2 1-3 1-4 2-5 3-5 4-6 5-6 18 9 10 8 16 7 Activity to 24 16 3 tm 7 9 20 14 2 tp 9 20 11 11 28 18 4 Draw the project network and calculate the project length. Calculate the standard deviation and variance along the critical path. (iii) Find the probability of completing the project one day earlier and 2 days later.
The project manager of XWZ, glass Inc. gathered the data as shown in Table 1 for a new advertising campaign. Table 1: Activity Data for Advertising Project Time Estimates (Weeks) Activity Optimistic Most Likely Pessimistic Immediate Predecessor(s) A 7 10 13 Start B 4 8 16 Start C 7 8 9 Start D 1 2 4 B E 7 10 11 A, C F 4 6 7 D, E G 1 3 6 D, E H 1 5 7 F, G I 1 4 6 G J 3 5 9 H K 3 3 3 H a) Draw AON diagram showing ES EF, LS and LF; then find how long is the project to take? b) What is the probability that the project will take more than 37 weeks? c) Consider the path A-E-G-H-J. What is the probability that this path will exceed 37 weeks?
Event Predecessor Event Time A - 6 B - 8 C A;B 12 D C 4 E C 6 F D;E 15 G E 12 H F;G 8 Specify : a) The project age b) Critical event and critical time
blä 8 Q2/ By using PERT Method, Solve the ? following Q2/ For the project described in table below, assume that the activity durations are approximately normally distributed. Determine the probability to complete this project in (15 weeks). Activity Path m b a A (1,2) 1 2 В (2,3) 2 4 C (2,4) 1 3 D (4,5) 2 5 8 E (1,5) 2 4 F (5,6) 1 2 Note that the activity (3,4) is a dummy activity. 3. 3.
Consider the project information in the table below: Immediate Activities Duration (days) Predecessors 8. 6. C 8. 11 A 6. A F 6. H. 4 F, G, H D, E, I 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? OA. 22 В. 21 OC. 19 O D. 20 O E. 18 5. A B
Charlie Cook was able to determine the activity times for constructing his chemical contaminant tracking machine. Cook 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: Q Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A B C D 7 8 2 1 Charlie's earliest start (ES) and earliest finish (EF) are: A A Activity A EFGH ES EF 7 5 7 11 8 B B C, E D, F
U2
The following is a table of activities associated with a project at Rafay Ishfaq's software firm in Chicago, their durations, what activition nach must precede and the orash cost to reduce duration per week Crash Cos/Week ITI Duration (weeks) Activity A (start) Precedes B, C $370 B. 2. $120 $240 4. F (end) $140 $400 Suppose that Rafay is only given 8 weeks (instead of 10) to complete the project By how many weeks should each activity be crashed in order to meet the deadline? Assume that you can crash an activity down to 0 weeks duration. Each Activity Each Activity Should be Reduced Activity BY (weeks) week(s) week(s) woek(s) wook(s) week(s) What is the total crashing cost? $ (Enter your response as a whole number)
4 01:34:47 The network diagram and task times for a project are shown below. A₁ A2 Late start time A3 Task A₁ A₂ A3 A₁ A5 What is the late start time for activity A3 ? Duration (days) 7 6644 A4 days A5
i need the answer quickly
A renovation of the gift shop at Orlando Amway Center has six activities (in hours). For the following estimates of a, m, and b, calculate the expected time and the standard deviationfor each activity:

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