OPERTATIONS MGMT:SUSTAINABILITY
2nd Edition
ISBN: 9781323751718
Author: HEIZER
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 6P
Given the activities whose sequence is described by the following table, draw the appropriate activity-on-arrow (AOA) network diagram.
a) Which activities are on the critical path?
b) What is the length of the critical path?
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Given the activities whose sequence is describedby the following table, draw the appropriate activity-on-arrow (AOA) network diagram.a) Which activities are on the critical path?b) What is the length of the critical path?
Given the activities whose sequence is described by thefol lowing table, draw the appropriate activity-on-arrow (AOA)network diagram.a) Which activities are on the critical path?b) What is the length of the critical path?
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?
Chapter 3 Solutions
OPERTATIONS MGMT:SUSTAINABILITY
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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 fo llowing is a table of activities associated with a project at Rafay lshfaq's software firm in Chicago, their durations, and what activities each must precede: a) Draw an AOA diagram of the project, including activity durations.b) Define the critical path, listing all critical activities in chronological order.c) What is the project completion time (in weeks)?d) What is the slack (in weeks) associated with any and all noncritical paths through the project?arrow_forwardGreenzTech 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?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_forward
- Given the following table of activities and times, determine the critical path and duration.Activity Description Predecessor Duration (weeks)A Task A --- 2B Task B A 4C Task C B 5D Task D A 1E Task E B, D 3F Task F C 2G Task G E 5H Task H F, G 1__________2a) What steps comprise the “critical path”?__________2b) What is the minimum completion time?arrow_forwardFor the following Activity Tables, identify the critical path. Follow these steps: Step – 1: Construct a network diagram. Step – 2: Perform Forward and Backward pass (Early Start, Early Finish, Late Start, Late Finish) Step – 3: Determine Project Completion time. (from Critical Path) Step – 4: Calculate the float. (TOTAL FLOAT) Notes: 1. All duration are in terms of weeks.arrow_forwardBased on the table above, draw a complete Activity-in-the-Box network diagram using the ID's to represent each activity.arrow_forward
- There is a running project in the company that you work for, which has the following activities: Activity Predecessors Duration A - 4 B A 4 C A 7 D B 6 E C 4 F D, E 2 Draw a network diagram for the above activities. Identify the critical path. Show the formula for calculating the EF and ES. “You must mention how did you know that this is your critical path”arrow_forwardDevelop the appropriate PERT network using an Activity-on-Arrow Diagram. Be sure to indicate the Activity ID and duration on the arrows properly. Number the nodes properly.arrow_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_forward
- I need help with the following: -Calculating the expected time and variance for all of these activities. -Drawing the full network with the Activity on Node Style. -Calculate what the Criticial Path is using CPM method. -Activity variance for the critical path and the standard deviation -Finding the probability of completing of the project before 41 weeks using the Simple Wayarrow_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_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_forward
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