MYOMLAB W/O PEARSON ETEXT--INSTANT ACCE
12th Edition
ISBN: 9780134165318
Author: HEIZER, RENDER
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 15P
Dave Fletcher (see Problem 3.10) was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, L8, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times:
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The activities of a project, their normal and shortest completion times in days, their respective completion costs in euros, and the constraints on their execution sequence are presented in the table below. Questions: A) To build the network that graphically illustrates the project. B) To find the shortest and slowest start and end times. C) Find the critical path and calculate the total cost. D) To consider the case of reducing the total duration of the project by 1 day at the lowest possible cost.
A project consists of the activities in the following list. Times are given in weeks.
Activity
Preceding
Time
A
--
8
B
--
4
C
A, B
7
D
A, B
3
E
C, D
5
F
C, D
6
G
E, F
4
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Draw the project network diagram.
Calculate each activity's ES, EF, LS, LF, and Slack using the project activity nodes on the project network diagram.
What is the project completion time?
Identify the critical path
11-16 Jean Walker is making plans for spring break at the beaches in Florida. In applying techniques she learned in her quantitative methods class, she has identified the activities that are necessary to prepare for her trip. The following table lists the activities and the immediate predecessors. Draw the network for this project.
11-17 The following are the activity times for the project in Problem 11-16. Find the earliest, latest, and slack times for each activity. Then find the critical path.Â
These problems go together and are deterministic times.
Chapter 3 Solutions
MYOMLAB W/O PEARSON ETEXT--INSTANT ACCE
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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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
- the network consists of the following list. Times are given in week. 1. draw the network diagram. 2. calculate the expected duration and variance of each activity. 3. Calculate the expected duration and variance of the critical path. 4. Calculate the probability that the project will be completed less than 28 week.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   BB   8   -   F   7   BC   4   A   G   11   C, ED   1   A   H   6   D , F ​Dave's earliest start​ (ES) and earliest finish​ (EF) are:  Activity ES EF A 0 7  B 0 8  C 7 11  D 7 88  E 8 12 Part 7 F ? ? G  ?  ? H  ?  ?arrow_forwardA political campaign manager must coordinate several activities to be prepared for an upcoming election. The following table describes the relationships among the activities that need to be completed, as well as the estimated times. Activity Immediate Predecessors Time (Weeks) A - 4 B - 6 C A 3 D A 4 E B, C 8 F B 7 G D,E 2 H F 1  Develop a project network for this problem. Determine the ES, EF, LS, LF, and slack time for each activity. Also determine the total project completion time and the critical path(s).arrow_forward
- The activities in the following table describe the construction of a new house. Construct the associated project network ACTIVITY PREDECESSORS DURATION (WEEKS) a Create a spreadsheet to calculate and summarize the earliest and latest start and finish times, the slack for each activity, and the critical activities. (USING EXCEL ONLY, Vlookup, ISERR etc functions) b. Make a gantt chart.arrow_forwardBased on the given set of activities answer the following: 1. Develop a precedence for each of the activity based on the information provided in the case. 2. Draw a network diagram and also calculate the forward and the backward pass for each of the activities. 3. Identify the paths as well as the critical path for the given project and also determine the slack time for each activity.  Note: This question is related to Project Management Course.arrow_forwardGiven the following network and activity time estimates, determine: The expected time and variance for each activity The critical path. This must be based on your calculations of the start and finish times and not by inspection. The expected project completion time, variance and standard deviationarrow_forward
- 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: Activity   Time (weeks)   Immediate Predecessor(s)   Activity   Time (weeks)   Immediate Predecessor(s)A   6   -   E   5   BB   8   -   F   6   BC   2   A   G   9   C, ED   3   A   H   7   D , F Dave's earilest start (ES) and earliest finish (EF) are: Activity   ES   EF A         0    6 B         0    ? C         D E F G Harrow_forwardConstant-Time Network A list of activities, precedence relations, and activity times for a project is given below:a. Draw an activity-on-node network diagram.b. Compute the early start (ES), late start (LS), early finish (EF), and late finish (LF)times for each activity in the network.c. What is the critical path? What is the expected completion time for the project?arrow_forward
- Construct a Gantt chart and project network for the following set of activities, compute the length of each path in the network, and indicate the critical path:arrow_forwardA project consists of the activities in the following table. Times are given in weeks Draw the network diagram Calculate the ES, EF, LS, LF, and slack for each activity What is this project completion time?arrow_forwardThe following is the data available for a project: Activity Predecessor Expected Duration (Days) A - 12 B A 9 C B,E 3 D - 10 E D 6 F E 3 G - 2 H G 9 I E,H 2  Expected duration for the completion of the project. Calculate earliest and latest start and finish times for each activity. Draw the network diagram for the project and determine the critical patharrow_forward
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