3. Consider the following project, which consists of 10 tasks. (Noteshaper: Scenario #29)TaskCompletion Time (days)Immediate PredecessorsANoneACAD5AEF2C3EB,E2HF,G,Ia.Draw the network model and identify the ES, EF, LS, and LF times. b. What is the critical path through the network?C.What is the project completion time?d. Suppose the project has just been started. What is the longest you could delaybeginning work on Task A without delaying the completion of the project?

A network diagram is a visual representation of a project which helps identify the activity…

Answered: What is the critical path through the…

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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The following represents a project that should be scheduled using CPM: IMMEDIATE PREDECESSORS ACTIVITY A ABCDEFGH B-E-G-H b. What is the critical path? A-C-F-H OA-D-F-H A-D-G-H A A B C,D D, E F,G Project completion time a LLL23312 TIMES (DAYS) m •WNNW: 3 2 2 3 4 4 4 4 b 5 3 3 4 11 c. What is the expected project completion time? Note: Do not round intermediate calculations. Round your answer to 2 decimal places. days 565
8 EARNED VALUE ANALYSIS The following project is reported to be at the end of its 8 week. Find the cost and schedule variances. Also find the CPI, SPI, CSI, ETC and EAC for the project. Find the condition of the project at the this reporting period. PV AC Budget ($) Duration Actual Cost % D-8 Activity Predecessor (s) (week) ($) Complete 300 400 A 3 100 A3 В 4 200 180 100 B:4 C 7 250 300 90 A 8 600 400 50 400 200 В 40 150 180 F В 4 100 G C 4 100 200 40 500 H D, E 2 300 F, G 3 J H, I 1 100 ㅇ CO 프 (-)
Roger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. The activities, immediate predecessors, and times appear in the accompanying table: a. the critical activities for the leadership training program development project are: _____ b. the project length for the leadership training program development project= __ days. c. Slack time for each of the activities is: Activity: Slack time: A ______ B ______ C ______ D ______ E ______ F ______ G ______
Activities, preceding activities, normal and crashed completion times of each of the activities and crashed costs of activities per week of a project are given in the following table. Activity Preceding Activity Normal Crashed Completion time (week) Crashed Cost Completion Time (week) 7 per week A 7 B $500 C 4 3 $700 $600 A A, C В, D D, E D 7 E F 10 9. $800 9 8 $400 i. Draw the network diagram linking all the activities in a way that it shows if there exist any preceding activity/activities before starting each of the mentioned activities in the above table. ii. Find the earliest start time, the earliest finish time, the latest start time and the latest finish time of each of the activities in the drawn diagram of the project and hence the completion time of the project and the critical path.
A local political campaign must coordinate a number of necessary activities to be prepared for an upcoming election. The following table describes the relationships between these activities that need to be completed, as well as their completion times. Activity Immediate Predecessors Time (weeks) A - 3 B - 6 C A 2 D A 3 E B, C 7 F B 6 G D, E 1 H F 1 Use excel to answer the following; a) Develop a project network for this problem. b) Determine the EST, EFT, LST, LFT, and slack for each activity. c) What is the critical path and project completion time?
The activities described by the following table are given for the Howard Corporation in Kansas: Time Time Time Activity (in weaks) Immediate Predecessor(s Activity (in weeks) Immediate Predecessor(s) Activity (in weeks) Immediate Predece A G. EF 3 10 G,H This exercine confains only parta b and e b) The activitios on the critical path are c) The total project completion time for Howard Corporation iswoeks. (Enter your response as a whole number.)
← 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
The detail of the direct cost for project XYZ are given in Table 1. Table 1 Details for Project XYZ Normal Direct Cost 100 150 Activity Predecessor Maximum Slope Time (day) crash time A 100 50 A 3 A 4 200 1 200 200 D B 3 1 60 E C 4 2 D.E 70 90 F 3 150 1 The indirect cost is listed in Table 2. i. If the project needs to be crashed from its initial time, T1 to T5, list the step-by-step changes in activity and the direct cost to crash the project in Table 2,. ii. Identify the project's lowest cost possible within T1-T5 duration Table 2 Project Duration Activity crashed Step Total Direct Indirect Total Cost Cost Cost 1 Initial time T1 900 New time T2 800 New time T3 600 4 New time T4 550 New time T5 500
Problem 1 You are the manager of a project to improve a billing process at your firm. The table below contains the data you will need to conduct a cost analysis of the project. Indirect costs are $1,200 per week, and penalty costs are $1,400 per week after week 12. Activity Immediate Predecessor(s) Normal Time (weeks) A 000 U - E F | B, C 2 B a. What is the minimum-cost schedule for this project? 4 The minimum-cost schedule is weeks. (Enter your response as an integer.) 5 6 167751 Crash Time (weeks) 13661 Normal Cost ($) 5,500 7,500 4,000 5,500 4,500 3,500 Crash Cost ($) 8,000 10,000 4,000 12,500 6,500 7,000
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
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
The following activities are part of a project to be scheduled using CPM: TIME (WEEKS) 7 6 ACTIVITY IMMEDIATE PREDECESSOR A BCDEFG O A-C-D-E-G O A-B-E-G O A-C-D-F-G O A-B-D-F-G AACB A Number of weeks A b. What is the critical path? B, D D E, F 24346 c. How many weeks will it take to complete the project?

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What is the critical path through the network? What is the project completion time? Suppose the project has just been started. What is the longest you could delay beginning work on Task A without delaying the completion of the project?