Operations Management: Sustainability and Supply Chain Management (12th Edition)
12th Edition
ISBN: 9780134130422
Author: Jay Heizer, Barry Render, Chuck Munson
Publisher: PEARSON
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Chapter 3, Problem 10DQ
Describe how expected activity times and variances can be computed in a PERT network.
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Describe how expected acti vity times and variances can be computed in a PERT network.
Describe how expected activity times and variances can be computed in a PERT network.
b) – Draw the Activity-on-Node (AON) diagram using the following representation for every node:
Activity
Description
Expected
Time
ES
EF
LS
LF
Slack
C.) Complete the following table, determine the expected time of completion assuming that the project starts at week 0 (zero) and
identify the critical path for this project. Demonstrate all your calculations.
On Critical
Path?
Activity
Activity Description
ES
EF
LS
LF
Slack
Yes or No
Locate new facilities
2
Order furniture
Interview prospective staff
Hire and train staff
3
4.
Remodel facilities
Receive and set up furniture
Move in and start up
6
7
a) Complete the following table, calculate the project variance and project standard deviation. Demonstrate all your
calculations.
Chapter 3 Solutions
Operations Management: Sustainability and Supply Chain Management (12th Edition)
Ch. 3 - Give an example of a situation in which project...Ch. 3 - Explain the purpose of project organization.Ch. 3 - What are the three phases involved in the...Ch. 3 - What are some of the questions that can be...Ch. 3 - Define work breakdown structure. How is it used?Ch. 3 - What is the use of Gantt charts in project...Ch. 3 - What is the difference between an...Ch. 3 - What is the significance of the critical path?Ch. 3 - What would a project manager have to do to crash...Ch. 3 - Describe how expected activity times and variances...
Ch. 3 - Define earliest start, earliest Finish, latest...Ch. 3 - Students are sometimes confused by the concept of...Ch. 3 - What are dummy activities? Why are they used in...Ch. 3 - What are the three time estimates used with PERT?Ch. 3 - Would a project manager ever consider crashing a...Ch. 3 - How is the variance of the total project computed...Ch. 3 - Describe the meaning of slack, and discuss how it...Ch. 3 - How can we determine the probability that a...Ch. 3 - Name some of the widely used project management...Ch. 3 - Prob. 20DQCh. 3 - The work breakdown structure (WBS) for building a...Ch. 3 - Prob. 2PCh. 3 - 3.8 The City Commission of Nashville has decided...Ch. 3 - Refer to the table in Problem 3.8. a. Draw the AON...Ch. 3 - Draw the activity-on-node (AON) project network...Ch. 3 - Given the activities whose sequence is described...Ch. 3 - 3.5 Using AOA, diagram the network described below...Ch. 3 - Prob. 8PCh. 3 - Task time estimates for the modification of an...Ch. 3 - The activities described by the following table...Ch. 3 - The following is a table of activities associated...Ch. 3 - The activities needed to build a prototype laser...Ch. 3 - Dave Fletcher (see Problem 3.10) was able to...Ch. 3 - Prob. 16PCh. 3 - Prob. 17PCh. 3 - A renovation of the gift shop at Orlando Amway...Ch. 3 - Kelle Carpet and Trim installs carpet in...Ch. 3 - The estimated times and immediate predecessors for...Ch. 3 - Rich Cole Control Devices, Inc., produces...Ch. 3 - Four Squares Productions, a firm hired to...Ch. 3 - Using PERT, Adam Munson was able to determine that...Ch. 3 - Assume that the activities in Problem 3.15 have...Ch. 3 - What is the minimum cost of crashing the following...Ch. 3 - Three activities are candidates for crashing on a...Ch. 3 - Development of Version 2.0 of a particular...Ch. 3 - Prob. 32PCh. 3 - TABLE 3.6 Southwestern University Project 1....Ch. 3 - TABLE 3.6 Southwestern University Project 2 What...Ch. 3 - TABLE 3.6 Southwestern University Project 3. If it...Ch. 3 - Project Management at Arnold Palmer Hospital Video...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...
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- The product development group at “Griffin” Company has already worked on new computer software products that has potential to know a large market share. Via an outside source, London Management has learned that a competitor is working to bring a similar product to market. As a result, London's top management increased its pressure on the product development group. Group leaders have turned to CPM / PERT as an aid to scheduling remaining activities before new products can be brought to market. The estimated time of activity in a day is as follows Question: Create an initial network Find the cost and the duration Determine the path and critical activitiesarrow_forwardDraw the PDM network diagram for the following project, calculate the earliest and latest starting and finishing times for all activities, and hence calculate the total float, free float for each activity. Activity IPA Duration (WEEKS) WORKERS REQUIRED PER WEEK EQUIPMENT REQUIRED (hrs/WEEK) H ---- 10 5 8 I H 8 4 2 J H 6 8 6 K J 4 2 1 L J 2 6 2 M J 4 3 2 N I 4 2 0 O I 5 5 0 P I, J 5 6 6 Q L 5 2 0 R M 5 0 4 S N 3 0 4 T Q 3 0 0 U O, S 1 9 8 V K, R 5 14 8 W U 2 6 8 X V 3 6 8 Y P,W,X,T 8 14 8 Z Y 6 5 8 If there is a limit of 15 workers per week, smooth the workers loading using ES and LS histogram. Based on the proposed scheduling, plot the equipment loading histogram for the project. Independently of the above resource leveling, schedule the…arrow_forward3. PERT NETWORK. Required a-barrow_forward
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