OPER MGMT IN SUPPLY CHAIN ACCESS CARD
7th Edition
ISBN: 9781260943184
Author: SCHROEDER
Publisher: INTER MCG
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Textbook Question
Chapter 13, Problem 5DQ
Define the terms critical path, ES, and LF.
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Students have asked these similar questions
The 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 path
(a) Draw the project network and determine the critical path(s) using AOA method and determine the critical path.
(b)Draw project network from (a) using AON method, filling the ES, EF, LS, LF and slack for each node.
The High-Flight DC Graphic Novels special print production project. "Project: Retro" consisting of 13 activities, is described as follows:
a) prepare a network diagram for this project (use the AON format and calculate the ES, EF, LS and LF for each activity.
b) determine the critical path and project duration.
c) Calculate the free slack for each activity.
Chapter 13 Solutions
OPER MGMT IN SUPPLY CHAIN ACCESS CARD
Ch. 13 - How, precisely, does project scheduling differ...Ch. 13 - How would you, after the fact, audit a project to...Ch. 13 - Prob. 3DQCh. 13 - Contrast and compare CPM and PERT as...Ch. 13 - Define the terms critical path, ES, and LF.Ch. 13 - What is the management significance of finding the...Ch. 13 - Prob. 7DQCh. 13 - What is meant by the need to make trade-offs...Ch. 13 - Why are a forward pass and a backward pass needed...Ch. 13 - What is the definition of the earliest and latest...
Ch. 13 - A public accounting firm requires the following...Ch. 13 - The following activities are required in starting...Ch. 13 - A construction project has the following network...Ch. 13 - A plant start-up is based on the following...Ch. 13 - An entrepreneur is starting a new business. The...Ch. 13 - Prob. 6PCh. 13 - Construction of a building is based on the...Ch. 13 - The professor from problem 6 is considering...
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- 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 network is shown below, with three time estimates (Optimistic Time-Most Likely Time-Pessimistic Time (in days)) for each activity in the network. a. Compute the expected time for each activity in the project network. b. Identify and list all possible paths in the project network. Compute the expected duration for each path in the project network. c. Identify the critical path(s) in the project network. What is the expected project completion time? d. Compute the variance of each activity on the critical path(s). e. Determine the project variance and project standard deviation. Use the PERT analysis results in 2(c) and 2(e) to answer questions (f), (g), (h), and (i) below:f. What is the probability that the project can be completed within 22 days of its start? g. What is the probability that the project can be completed within 16 days of its start? h. Determine the project deadline that gives this project a 78% chance of on-time completion. i. Determine the project deadline…arrow_forwardCalculate, ES, EF, LS and LF for each activity, and highlight the critical path indicating the length of this project.arrow_forward
- A public accounting firm requires the following activities a. Draw a network for this project.b. Make a forward pass and a backward pass to determine ES, LS, EF, and LF.c. What are the critical path and the project completion time?d. If the project completion must be reduced by twodays, which activities might be affected?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_forwardGiven the following network and activity time estimates, determine: The expected time and variance for each activity Complete the chart showing bout the EF and LFarrow_forward
- A project has the following activities, precedence relationships, and activity duration. Draw the AOA project network. How long would it take to complete this project? What is the length of the critical path?arrow_forward1. Draw the network diagram and determine the critical path for the project below:arrow_forwardConsider a project for which the following activities and time estimates in weeks apply activity To tm tp 1-2 3 5 8 1-3 2 3 5 1-5 2 3 4 2-3 1 2 5 2-6 7 8 9 3-4 1 3 6 3-5 2 4 6 4-5 1 2 4 5-6 1 2 3 Draw the project network Compute the expected time and variance for each activity iii. Compute slack for each event and find the critical path Find the length of the critical path and the project duration Approximate the probability that activity 3 – 4 will have positive slack. What is the managerial implication of that probability?arrow_forward
- The project duration in a network model can be determined by the largest value of which variable associated with the critical path?arrow_forwardConstruct a network for the project whose activities and predecessor relationship is given below. Determine also the critical Path.arrow_forwardKen Johnston, the data processing manager for Stanley Morgan Bank, is planning a project to install a new management information system. He is ready to start the project, and wishes to finish in 20 weeks. After identifying the 14 separate activities needed to carry out this project, as well as their precedence relationships and estimated durations (in weeks), Ken has constructed the following project network: 1. Create the network diagram for the project highlighting the critical path. 2. Identify the tasks in the critical path. 3. Find the earliest start and earliest finish, latest start, latest finish, and slack for each activity. Will Ken be able to meet his deadline if no delays occur? 4. Use the information generated to determine the following: a. What would be the duration of the project if Activity-I takes 2 extra weeks? b. What would be the duration of the project if Activity-H takes 2 extra weeks? c. What would be the duration of the project if Activity-J takes 2 extra weeks?arrow_forward
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