Principles Of Operations Management
11th Edition
ISBN: 9780135173930
Author: RENDER, Barry, HEIZER, Jay, Munson, Chuck
Publisher: Pearson,
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Chapter 3, Problem 25P
a)
Summary Introduction
To draw: The PERT diagram.
b)
Summary Introduction
To determine: The critical path and project completion time.
c)
Summary Introduction
To determine: The probability at which the project will take more than 49 time periods to complete.
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Students have asked these similar questions
Janice Eliassen must complete the activities in the following table to fin ish her consulting project. a) Draw the appropriate PERT diagram.b) Find the critical path and project completion time.c) Find the probability that the project will take more than49 time periods to complete.
A senior MIS design class project team has developed the following schedule of activities for their project, using their best estimate of completion times. Both written and oral reports are required. Draw the project network. What is the minimum time required to finish the project? State the critical path.
Activity
Time (week)
Immediate Predecessor
A.
Find client
4
---
B.
Write prospectus
2
A
C.
Obtain approval from client and professor
3
B
D.
Complete programming
12
C
E.
Do industry background research
10
---
F.
Write final paper
6
D, E
G.
Write oral report
5
D, E
1. Data for a simplified PERT network are given below:
a. Set up a table and calculate Early Event Times (TE), Late Event Times (TL),
Activity Free Slack (AFS), and Activity Total Slack (ATS).
b. Determine the PERT "critical path(s)" and the mean and standard deviation for
the project duration.
c. Determine the probability of completing the project in 25 days or less.
d. Determine that the project will take 27 days or more.
e. Determine the probability of reaching event 35 in 20 days or less.
Time Estimates (days)
i
АСТ
b
a
m
10
A
1
3
5
15
B
2
5
10
20
C
4
7
10
25
E
8.
10
12
IP
F
15
25
15
30
4
8
9.
20
35
G
5
7
14
25
35
L
7
10
16
30
35
d2
30
40
12
35
45
N
1
3
7
40
45
P
3
5
7
Chapter 3 Solutions
Principles Of Operations Management
Ch. 3 - Ethical Dilemma Two examples of massively...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 - Prob. 10DQCh. 3 - Define earliest start, earliest finish, latest...Ch. 3 - Students are sometimes confused by the concept of...Ch. 3 - Prob. 13DQCh. 3 - Prob. 14DQCh. 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 - What is the difference between the waterfall...Ch. 3 - The work breakdown structure (WBS) for building a...Ch. 3 - James Lawson has decided to run for a seat as...Ch. 3 - Prob. 3PCh. 3 - Refer to the table in Problem 3.3. 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 - Prob. 7PCh. 3 - Roger Ginde is developing a program in supply...Ch. 3 - Prob. 9PCh. 3 - The activities described by the following table...Ch. 3 - Prob. 11PCh. 3 - The activities needed to build a prototype laser...Ch. 3 - Prob. 13PCh. 3 - Dave Fletcher (sec Problem 3.12) was able to...Ch. 3 - Ross Hopkins, president of Hopkins Hospitality,...Ch. 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 - Prob. 21PCh. 3 - Four Squares Productions, a firm hired to...Ch. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Prob. 25PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 30PCh. 3 - Development of Version 2.0 of a particular...Ch. 3 - Prob. 32PCh. 3 - Prob. 33PCh. 3 - Prob. 1.1VCCh. 3 - Prob. 1.2VCCh. 3 - Project Management at Arnold Palmer Hospital The...Ch. 3 - Prob. 1.4VCCh. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...
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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
- Given the data (see table below): Draw a network diagram Determine the duration of the project Indicate the critical path Determine the float for each task Describe possible ways to reduce the duration of the projectarrow_forwardDave Fletcher was able to determine the activity times for constructing his laser scanning machine Fletcher 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: Time Activity (weeks) A 6 B 8 с 2 D 1 Immediate Time Predecessor(s) Activity (weeks) E 3 F 7 A A Dave's earliest start (ES) and earliest finish (EF) are: G H 9 8 Immediate Predecessor(s) B B C, E D.Farrow_forwarda) Determine the expected completion time and variance for each activity. b) Determine the total project completion time and the critical path for the project. c) Determine ES, EF, LS, LF, and slack for each activity. d) What is the probability that Kelle Carpet and Trim will finish the project in 40 days or less?arrow_forward
- 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: Immediate Activity Predecessor(s) Time (days) 4 5 3 III B 10 A, D 3 C 5 G E, F 12 This exercise contains only part a. a) The correct precedence diagram for the project is shown in ABCDEF Ñ GW 8 w or C A B F Figure 2 A B O-O Figure 3 B E E Earrow_forward1. Activity Preceding activity Activity duration A - 6 B - 3 C B 1 D A, C 2 E B 5 F D 2 G E, F 6 Draw an AOA diagram based on the activities and their relationships given in the table. Find the earliest start time (ES), earliest finish time (EF), latest start time (LS), latest finish time (LF), and Slack time for each activity of the project. Determine the slack time for each path. Find the critical activities and critical path. Determine the length of the project.arrow_forwardPERT-CPM 1. Consider a project involving the following activities and precedence relationship. The cost of each activity is listed. The following activity time estimates have been provided for a preparation involving an MIS project. a. Draw the AON and AOA Diagram. b. Perform a Program Evaluation and Review Technique (PERT) to determine the expected total duration of the project. [Note: Use the diagramming convention agreed in class and tabulate the results for each activity's ES, EF, LS, LF, slack time and indication if it's in the critical path Note: Expected (Ave Time) = (0ptimistic Time + 4*Most Likely Time + PessimisticTime) / 6 = ( OT + 4MLT + PT ) / 6 c. If the project exceeds 11 weeks, there is an additional miscellaneous costs around Php 30,000. Will the company opt to speed up the project? Activity Predecessors Optimistic Most Pessimistic Crash Normal Crashed Likely Time Cost Cost A 2 4 6. 2 11,000 6,000 3,000 7,000 4,000 13,000 9,000 4,000 5,000 3,000 3 17.000 В 1 3 5 1…arrow_forward
- Solve the following project by hand and submit your notes: Activity Normal Time (weeks) Crash Time (weeks) Normal Cost Crash Cost Immediate Predecessor A 4 3 $2,000 $2,100 - B 2 1 $2,200 $2,800 - C 3 3 $500 $500 - D 8 6 $2,300 $2,600 A E 6 3 $900 $1,200 B F 3 2 $3,000 $4,200 C G 4 2 $1,400 $2,000 E, F How long will the project take? What is the total cost to complete the project in normal time? If the project is to be shortened by 1-week, which activity will be reduced and how much will the cost be increased? What is the maximum time that the project can be crashed? How much will the cost increase if it is crashed the maximum?arrow_forwardAn advertising project manager developed the network diagram shown in Figure 2.10 for a new advertising campaign. In addition, the manager gathered the time information for each activity, as shown in the accompanying table. a. Calculate the expected time and variance for each activity. b. Calculate the activity slacks and determine the critical path, using the expected activity times. c. What is the probability of completing the project within 23 weeks?arrow_forwarda) Construct a Gantt chart using MS Project 2016b) Assuming the default 5-day workweek, calculate the critical path of the project.c) Calculate the project duration.arrow_forward
- Project Planning Practice Draw or make a Gantt Chart for the following Activities Draw or make Critical Path Method Chart for the following Activities Task Follows Task Weeks (duration) Task Description Manning Level A Start 1 Site Clearing 3 B Start 0.6 Obtain lumber and basic materials 1 C Start 2 Obtain other materials and components 1 D B 2 Prefabricate wall panels 4 E B 0.9 Prefabricate roof trusses 3 F A,B 1 Form and pour footings and floor slab 3 G D,F 0.3 Erect with Panels 4 H E,G 0.2 Erect Roof Trusses 4 J C,H 0.5 Complete Roof 3 K J 2 Finish Interior 4 L J 1 Finish Exterior 2 M L 0.4 Clean up site 1 N K,M 0.2 Final Inspection and Acceptance 1arrow_forwardPlease answer all parts Activity Preceding activity Activity duration A - 6 B - 3 C - 1 D A, B 2 E A, C 5 F D, E 2 G D, F 6 Draw an AON diagram based on the activities and their relationships given in the table. Find the earliest start time (ES), earliest finish time (EF), latest start time (LS), latest finish time (LF), and Slack time for each activity of the project. Determine the slack time for each path. Find the critical activities and critical path. Determine the length of the project.arrow_forwardReliable Garage is completing production of the J2000 kit car. The following data are available for the project:a. Draw the network diagram for the project. b. Determine the project’s critical path and duration. c. What is the slack for each activity?arrow_forward
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