The detail of the direct cost for project XYZ are given in Table 1.Table 1 Details for Project XYZNormalTime (day)ActivityМаximumSlopeDirect Costcrash timeAB100150CD343200200100506043709020021F150a. Create the project network and identify the critical activity for the critical pathQuestion (b)b. The indirect cost is listed in Table 2.i If the project needs to be crashed from its initial time, T1 to T3, list thestep-by-step changes in activity and the direct cost to crash the projectin Table 2,.ii Identify the project's optimum durationTable 2StepProject DurationActivitycrashedDirect CostIndirectCostTotalCostInitial time T1New time T2New time T3New time T4New time T5180077534675550500

Answered: The detail of the direct cost for…

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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Please assist in detailed explanation on the following question in Project Scheduling: 1) - A company decides to plan a project, with activities, precedence and deterministic durations given in the following table: Activity i Duration (days) Immediate Predecessors A 32 none B 21 none C 30 none D 45 A E 26 A, B F 28 C G 20 E, F Questions: 1.1) What method should be used? Using only one pseudo-activity, draw the project network, with arcs labeled by the activity name and duration. 1.2) Compute and display in a table the earliest and latest starting and finishing times, as well as slack, for each activity, and identify the critical path(s). 1.3) Draw a Gantt chart of the schedule, based on earliest starting times 1.4) Which activities must be completed by day 60 to ensure that the project is not delayed?
Construct an activity network diagram using Table 3a. Activity A B C D E F G Predecessors - - A A,B D C,E E Expected Time(WKS) 7 9 12 8 9 6 5 Table 3a Activity Durations and relationship Conduct a forward and backwards pass for the activity network diagram that you have constructed and identify the critical path and its duration. Calculate the slack on all of the activities, and proceed to analyze how knowing the slacks can help to manage schedule risk the a project 3b. Assuming that there is the risk of exceeding the project schedule baseline for 7 weeks, critically evaluates the options available that could be used to bring the project on track
I need a detailed explanation and assistance to solve the this problem: A company decides to plan a project, with activities, precedences and deterministic durations given in the following table: Activity i Duration (days) Immediate Predecessors A 32 none B 21 none C 30 none D 45 A E 26 A, B F 28 C G 20 E, F a) What method should be used? Using only one pseudo-activity, draw the project network, with arcs labeled by the activity name and duration. b) Compute and display in a table the earliest and latest starting and finishing times, as well as slack, for each activity, and identify the critical path(s). C) Draw a Gantt chart of the schedule, based on earliest starting times d) Which activities must be completed by day 60 to ensure that the project is not delayed?
The estimated times and immediate predecessorsfor the activities in a project at George Kyparis’s retinal scan-ning company are given in the following table. Assume thatthe activity times are independent. a) Calculate the expected time and variance for each activity.b) What is the expected completion time of the critical path?What is the expected completion time of the other path inthe network?c) What is the variance of the critical path? What is the vari-ance of the other path in the network?d) If the time to complete path A–C is normally distributed,what is the probability that this path will be finished in22 weeks or less?e) If the time to complete path B–D is normally distributed,what is the probability that this path will be finished in22 weeks or less?f) Explain why the probability that the critical path will befinished in 22 weeks or less is not necessarily the probabil-ity that the project will be finished in 22 weeks or less.
A public accounting firm requires the following activities a. Draw a network for this project.b. Make a forward pass and a backward pass to determine ES, LS, EF, and LF.c. What are the critical path and the project completion time?d. If the project completion must be reduced by twodays, which activities might be affected?
1) Lucy is in charge of planning and coordinating a project. Following is the activity information for this project. Time (weeks) Activity Preceded By Optimistic Most Likely Pessimistic A -- 2 2 4 B A 8 12 16 C A 4 8 12 D B,C 2 4 6 E B 4 6 8 F A 2 4 6 G D 2 4 6 H G 2 4 6 I E,F,H 2 2 2 (a) Construct a precedence diagram. (b) Identify the Critical Path(s) and the expected completion time. (c) What is the probability that the training program can be completed in 26 weeks?
Paul Silver, owner of Sculptures International, just initiateda new art project. The following data are available for theproject:Activity Activity Time (days) Immediate Predecessor(s)A 4 —B 1 —C 3 AD 2 BE 3 C, Da. Draw the network diagram for the project.b. Determine the project’s critical path and duration.c. What is the slack for each activity?
2. The following table lists the activities of a network along with their time estimates: Activity Predecessor Duration (Days) Optimistic (a) Most Likely (m) Pessimistic (b) A None 2 5 8 B None 4 7 16 C A 3 6 9 D A 2 5 8 E C 5 8 11 F D 3 6 15 G B 2 5 14 H E, F 2 5 8 I G 6 9 12 J H, I 0 0 0 (a) Draw the project network. Use activity on node (A-O-N) method. (b) Identify the Critical Path. Calculate the length and variance of the Critical Path. (c) Identify the non-critical activities. Work out the Total Slack (TS) and Free Slack (FS) for all the non-critical activities. (d) State whether the network is sensitive or insensitive! (e) What is the approximate probability that jobs on the critical path will be completed by the due date of (i)24 days, (ii) 29 days?
A Company is in the process of preparing a budget for launching a new product. The following table provides the associated activities and their durations. Construct the project network and identify the critical path and its duration. Activity Predecessors Duration(wks) A: forecast sales volume - 10 B: study competitive market - 7 C: design item and facilities A 5 D: prepare production schedule C 3 E: estimate cost of production D 2 F: set sales price B,E 1 G: prepare budget E,F 14 (4) A project consists of the following activities, with the duration, in weeks, of each activity given in brackets. A(6), B(4) and C(7), the first activities of the project, can be executed concurrently. A and B precede D(2). B precedes E(1), F(5) and H(8). F and C precede G(3). E and H precede I(2) and J(4). C, F and J precede K(2). K precedes L(4).D, I, G and L are the terminating activities if the project. Construct the precedence table, and hence draw the network for the project Determine the critical…
Consider a project for which the following activities and time estimates in weeks apply activity To tm tp 1-2 3 5 8 1-3 2 3 5 1-5 2 3 4 2-3 1 2 5 2-6 7 8 9 3-4 1 3 6 3-5 2 4 6 4-5 1 2 4 5-6 1 2 3 Draw the project network Compute the expected time and variance for each activity iii. Compute slack for each event and find the critical path Find the length of the critical path and the project duration Approximate the probability that activity 3 – 4 will have positive slack. What is the managerial implication of that probability?
Problem 2: Chicago Project You are asked to manage an upcoming project for a client based in Chicago. Your supervisor, Susan, asked you to determine if the project will be completed in 2 months (60 days). Susan sent you the estimated time durations (in days) for the project. The information is given below: 4. Your supervisor was told that the client would like to complete the project in 56 days. Which path in the project network has the greatest risk of running over this new deadline of 56 days? 5. Prepare a report for Susan regarding your findings. Include your recommended strategy to finish the project in the least possible time.
The table below show a set of activities of an IS project,its expected completion time (ET) and preceding activities. Activity Preceding Activity Expected Time (ET) A - 7 B A 9 C A,B 5 D C 17 E C 12 F C 7 G D,E,F 10 H D,G 7 Construct a network diagram ,and calculate its earliest completion time (TE), latest completion time (TL) and slack time (ST). If the activity E took 16weeks instead of 12weeks to complete ,what impact will it have on the project duration?

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