Answered: 6. From the following information,…

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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Given the following information, a. Draw a project network. b. Complete the forward and backward pass, compute activity slack, and identify the critical path. c. How sensitive is the network schedule? Briefly justify your answer? d. Which activities have free slack? Activity Predecessor Duration (days) A None 10 B None 20 C A 10 D A 30 E B 10 F C 30 G C, D 20 H D, E 10 I F, G, H 20
You are creating a customer database for the Hillsboro Hops minor league baseball team. Draw a project network given the information in the table that follows. Complete the forward and backward pass, compute activity slack, and identify the critical path. How long will this project take? How sensitive is the network schedule? Calcu-late the free slack and total slack for all noncritical activities.ID Description Predecessor Time (days)A Systems design None 2 B Subsystem A design A 1C Subsystem B design A 1D Subsystem C design A 1E Program A B 2F Program B C 2G Program C D 2H Subsystem A test E 1I Subsystem B test F 1J Subsystem C test G 1K Integration H, I, J 3L Integration test K 1
You are provided with the following information for a project, with activity durations given in weeks: Activity Immediate Optimistic Most Likely Pessimistic Predecessor Time (a) Time (m) Time (b) A ____ 2 3 4 B ____ 2 4 6 C A 1 2 3 D B 3 6 9 E C, D 7 8 9 F D 4 7 10 G E 3 4 5 H E, F…
You are provided with the following information for a project, with activity durations given in weeks: Activity Immediate Optimistic Most Likely Pessimistic Predecessor Time (a) Time (m) Time (b) A ____ 2 3 4 B ____ 2 4 6 C A 1 2 3 D B 3 6 9 E C, D 7 8 9 F D 4 7 10 G E 3 4 5 H E, F…
1. Construct the PERT network for this project 2. Compute for the Earliest Start Time and Latest Start Time, Early Finish and Late Finish and slack time for each activity 3. What is the Critical Path? 4. How long can activity C be delayed without delaying the whole project?
A project has these activities, precedence relationships, and activity durations: Activity Immediate Predecessor Activity Activity Duration (Week)a * 3b * 4c * 3d c 12e b 5f a 7g e,f 3 a. Draw a CPM network for the project. b. Provide an overview for the project by computing the duration for each path. c. What is the critical path? What is the project's estimated duration?
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.
According to given project activity table:a. Construct the project network for this project.b. Find the critical activities and critical path of the project.c. Draw the Gannt Chart for the project. T: 7
(2) Following is a table listing the project activities, sequencing requirements and other relevant information: Expected Time Direct Cost Activity Preceded By Regular Crash Regular Crash A -- 6 days 2 days $2000 $3800 B -- 12 6 2000 10000 C A 4 2 1000 4000 D B,C 10 6 3400 4600 E D 8 6 2800 3900 F E 6 2 5000 7600 G B, C 18 8 16000 19600 H F, G 6 4 2000 4000 Construct a network including the early and late start and finish times. Identify the normal critical path (s) and the normal expected completion time. Can the project be crushed to last 18 days? Which activities should be crushed and what additional cost?
Using the information in Table-1, assuming that the project team will work a standard working week (5 working days in 1 week) and that all tasks will start as soon as possible: Task Description Duration (WorkingDays) Predecessor/s A Requirement Analysis 5 B Systems Design 15 A C Programming 25 B D telecoms 15 B E Hardware Installation 30 B F Integration 10 C, D G System Testing 10 E, F H Training/Support 5 G I Handover and Go-Live 5 H (i) Determine the critical path of the project (ii) Calculate the planned duration of the project in weeks (iii) Identify any non-critical tasks and the float (free slack) on each.
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?
Consider the following project schedule and respond to the requirements that follow (all times are in days). Activity Predecessors a m b A ---- 12 16 20 B ---- 18 28 32 C A 6 9 12 D B 7 16 19 E C, D 4 10 16 F D, E 18 30 36 G F 5 8 17 H F, G 15 25 35 I F, G 22 26 36 J G 15 19 29 K I, H 24 32 34 (a) Construct a project network diagram using the AON technique, i.e. Activity on Node technique (and NOT AOA or activity on arc technique). Be sure to have a start node and a finish node and include the expected activity times for each node. (b) Determine the critical path and expected project completion time using the “critical path method”. Show ES, EF, LS and LF times, as well as slack for all activities. (c) Determine the standard deviation of the project completion time T; what is the probability that the project will take more…

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