Operations Management - CD - Access
11th Edition
ISBN: 9780133408027
Author: HEIZER
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 7P
Task time estimates for the modification of an assembly line at Jim Goodale’s Carbondale, Illinois, factory are as follows:
| ACTIVITY | TIME (IN HOURS) | IMMEDIATE PREDECESSORS |
| A | 6.0 | --- |
| B | 7.2 | --- |
| C | 5.0 | A |
| D | 6.0 | B, C |
| E | 4.5 | B, C |
| F | 7.7 | D |
| G | 4.0 | E, F |
- a. Draw the project network using AON.
- b. Identify the critical path.
- c. What is the expected project length?
- d. Draw a Gantt chart for the project.
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Task time estimates for the modificat ion of an assembly line at Jim Goodale's Carbondale, Illinois, factory are as follows: a) Draw the project network using AON.b) Identify the critical path.c) What is the expected project completion time?d) Draw a Gantt chart for the project.
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
GreenzTech Inc. is planning on installing a new computerised accounting system. For thisproject, they have established the following activities, precedence relationships, and timeestimates in weeks:a. Draw the network diagramb. Calculate the expected time for each activity.c. Calculate the variance of each activityd. Based on the calculation of estimated times, what is the critical path?e. What is the estimated time of the critical path?f. What is the activity variance along the critical path?g. What is the probability of completion of the project within 50 weeks or less?
Chapter 3 Solutions
Operations Management - CD - Access
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 - The work breakdown structure (WBS) for building a...Ch. 3 - 3.2 Robert Day has decided to run for a seat as...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 - Stephen Hall is developing a program in supply...Ch. 3 - Task time estimates for the modification of an...Ch. 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 - The activities needed to build a prototype laser...Ch. 3 - Dave Fletcher (see Problem 3.10) was able to...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 - Assume that the activities in Problem 3.15 have...Ch. 3 - Bill Fennema, president of Fennema Hospitality,...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 - The Tesla 6 is a new custom-designed sports car....Ch. 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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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
- 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.arrow_forwardA plumber has decided to use the techniques of project management in order to plan a job. He knew all the different activities of the job, their precedence and their average durations. They are shown on the table below. Activity Duration (days) Preceding activities A 3 None B 3 None C 4 A D 8 A E 2 B and C Required: 1. Draw a network diagram representing the sequence of activities and the dependence between them. 2. Determine how long it will take to complete the job by conducting the forward pass 3. By conducting the backward pass, identify the critical path and the non-critical path(s). Note: The work for this task should be produced using Word drawing facilities. The forward and backward passes should be clearly shown on the diagram. The calculations should be shown next to the network diagram.arrow_forwardTask time estimates for the modification of an assembly line at Jim Goodale's Carbondale, Illinois, factory are as follows: Activity Time (in hours) Immediate Predecessor(s) A 5.0 - B 6.5 - C 5.0 A D 5.0 B, C E 4.0 B, C F 7.5 D G 4.0 E, F This exercise contains only parts d, b, and c. d) Using the line drawing tool five times, draw a Gantt chart for activities C through G of the project based on the early times. Carefully follow the instructions above, and only draw the required objects. b) The critical path activities for the leadership training program development project are c) The expected project completion time for the leadership training program development project = hours (round your response to one decimal place).arrow_forward
- The conditions and pert times for constructing a network diagram are given below.-Creation conditions:(0-1) It is the initial activity.(1-2) and (1-3) Activities begin together.It follows activity (2-4) (1-2), activity (3-4) (1-3), and ends together.( 4-5 ) It is the last activity. a-Create the network diagram.b-Calculate the critical path and show it on the diagram.c- If the expiry time is extended by 15 days, how much will the probability of expiry increase?arrow_forwardConsider the following data for a project to install a new server at the Northland Pines High School: a. Draw the network diagram.b. Calculate the critical path for this project.c. How much slack is in each of the activities G, H, and I?arrow_forward1. For the following Activity table draw the CPM diagram Using Activity On Node. Show the ES, LS, EF, LF and Slack for each activity on the diagram. Indicate the Critical path. Activity Time (Days) Predecessor A 4 ------------ B 7 A C 8 A D 2…arrow_forward
- You lead a family day project for welcoming the arrival of the new students to the campus. The accompanying Table 1 shows the activities, times and sequences required for the project planning and monitoring. Table 1 Activities Immediate Predecessors Time (In Days) A -- 9 B A 5 C A 9 D B,C 6 E B, C 7 F D 10 G E 12 H F,G 8 Based on the Table 1, using Critical Path Method (CPM) diagram, determine the ES, EF, LS & LF, identify the critical activities, critical path and the expected project completion time.arrow_forwarda) Draw the activity network ( logic diagram) b) Determine the total time of the project? c) Identify the critical path?arrow_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: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A 7 − E 4 B B 6 − F 5 B C 4 A G 10 C, E D 2 A H 8 D , F Part 2 Dave's earliest start (ES) and earliest finish (EF) are: Part 3 Part 4 Part 5 Part 6 Part 7 Part 8 Part 9 Part 10 Dave's latest start (LS) and latest finish (LF) are:…arrow_forward
- Using the below table calculate critical path for the project. Which tasks are on the critical path? Task Predecessor Duration (Weeks) A - 32 B - 11 C - 12 D B,C 16 E A,B 23 F A 23 G D 22 H D 33arrow_forwardExercise 8: Given the following network, refer to the pic please (a) What is the critical path? (b) How long will it take to complete this project? (c) Can activity B be delayed without delaying the completion of the project? If so, how many days?arrow_forwardThree activities are candidates for crashing on a projectnetwork for a large computer installation (a ll are, of course, critical).Activity details are in the following table: a) What action would you take to reduce the critical path by I day?b) Assuming no other paths become critical, what action would you take to reduce the critical path one additional day?c) What is the total cost of the 2-day reduction?arrow_forward
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