Mylab Operations Management With Pearson Etext -- Access Card -- For Operations Management: Sustainability And Supply Chain Management (13th Edition)
13th Edition
ISBN: 9780135225899
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
Mylab Operations Management With Pearson Etext -- Access Card -- For Operations Management: Sustainability And Supply Chain Management (13th Edition)
Ch. 3 - Prob. 1EDCh. 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 - 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 - Task time estimates for the modification of an...Ch. 3 - The activities needed to build a prototype laser...Ch. 3 - The activities described by the following table...Ch. 3 - A renovation of the gift shop at Orlando Amway...Ch. 3 - Kelle Carpet and Trim installs carpet in...Ch. 3 - The following is a table of activities associated...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 - 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 - Clark Products makes pizza ovens for commercial...Ch. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Prob. 3PCh. 3 - Prob. 4PCh. 3 - Prob. 8PCh. 3 - Prob. 13PCh. 3 - Prob. 15PCh. 3 - Prob. 17PCh. 3 - Prob. 24PCh. 3 - Prob. 25PCh. 3 - Prob. 28PCh. 3 - Prob. 33PCh. 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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- a) Draw the AON network for the construction activity. b) Draw the AOA network for the construction activity.arrow_forwardWhat is the difference between an activity-on-arrow(AOA) network and an activity-on-node (AON) network?arrow_forwardQ1: Given the information below, draw the network (AOA) and find the probability of finishing the job in (40) weeks? Solve using PERT. Activity notation Weeks 1-2 2-3 2-4 2-5 3-6 4-7| 5-7 6-8 7-8 8-9 2,7,8 5,6,9 3,7,8 4,5,6 6,9,10 6,8,11 4,6,7 5,7,10 4,8,9 4,7,9 [50%]arrow_forward
- OPERATIONS Duration and requirement of workforce for each activity is tabulated below for a network Activity Duration Number of men 1-2 3 5 2-4 2 3 2-3 3 7 3-4 0 0 3-5 3 2 4-5 7 2 3-6 2 1 5-6 6 6 4-6 5 5 Use either PERT or CPM to (i) Draw the network and comment on the scheduling of activities to smoothen the development of the workforce (ii) Re-schedule the activities for smooth development (iii) Find the project schedule if only 4 men are availablearrow_forwardThe 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_forwardThe 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 a.Create the the network if it is accelerated according to the schedule above b.Find the cost and the duration c.Determine the path and critical activitiesarrow_forward
- Draw 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_forwardThe following information is given for a CPM network: Activity Predecessor Successor Normal Time Normal Cost Crash Time Crash Cost A --- B, C 5 $ 60 2 $ 125 B A D, C 4 70 2 90 C A, B D 6 80 3 150 D B, C --- 3 40 1 60 What is the critical path of the network?arrow_forwardExplain what are service projects in project scheduling ?arrow_forward
- Draw the Network Diagram, determine the critical path and draw Gantt chart for project scheduling for the following two problems Problem1. Activity Predeccsor Duration(hours) Lag Time(hours) A - 2 0 B A 4 5 C B 3 3 D B 5 0 E D, C 2 0 Problem 2. Activity Predeccsor Duration(months) A - 2 B A 1 C A 3 D B, C 1 E D 2 F D…arrow_forwardHow do PERT and CPM differ from each other?arrow_forward1. Draw network diagram neatly using this chart provided: Activity Predecessor Normal time Normal cost Crash time Crash cost Max Crash Time Slope A 5 $200 4 $350 B A 8 $220 8 $220 C B 6 $250 4 $650 D A 9 $500 5 $600 E A,C 10 $150 9 $500 F E 10 $500 9 $650 G D,F 8 $400 6 $900arrow_forward
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