Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion
9th Edition
ISBN: 9781119371618
Author: Roberta S. Russell
Publisher: Wiley (WileyPLUS Products)
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Chapter 9, Problem 6Q
How are the mean activity times and activity variances computed in probabilistic CPM/PERT analysis?
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Chapter 9 Solutions
Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion
Ch. 9 - Why is CPM/PERT a popular and widely applied...Ch. 9 - What is the purpose of a CPM/PERT network?Ch. 9 - Why are dummy activities used in a CPM/PERT...Ch. 9 - What is the critical path, and what is its...Ch. 9 - What is slack, and how is it computed?Ch. 9 - How are the mean activity times and activity...Ch. 9 - How is total project variance determined in...Ch. 9 - What is the purpose of project crashing analysis?Ch. 9 - Describe the process of manually crashing a...Ch. 9 - Which method for determining activity time...
Ch. 9 - Explain how a Gantt chart differs from a CPM/PERT...Ch. 9 - Discuss the relationship of direct and indirect...Ch. 9 - Describe the limitations and disadvantages of...Ch. 9 - Describe the difference between activity-on-node...Ch. 9 - Identify and briefly describe the major elements...Ch. 9 - Select an everyday project you are familiar with...Ch. 9 - Prepare a WBS for a spaghetti with meatballs...Ch. 9 - Construct a Gantt chart for the project described...Ch. 9 - Construct a Gantt chart for the project described...Ch. 9 - Use the project activities that follow to...Ch. 9 - Construct a network from the information in the...Ch. 9 - For the network in Problem 9.4, determine the...Ch. 9 - Given the following network with activity times in...Ch. 9 - Given the following network with activity times in...Ch. 9 - A marketing firm is planning to conduct a survey...Ch. 9 - In one of the little-known battles of the Civil...Ch. 9 - A group of developers is building a new shopping...Ch. 9 - The management of a factory is going to erect a...Ch. 9 - Given the following network and probabilistic...Ch. 9 - The Farmers American Bank of Leesburg is planning...
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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
- Identify three analytical methods and describe how they are utilized in the current project's monitoring and control.arrow_forwardDiscuss the limitations and disadvantage of CPM/PERTarrow_forwardThe following table shows the various activities of the development of a new product in your organization. Activity Event Immediate Predecessor(s) Estimates of Activity Duration (Weeks) Optimistic (To) Most Likely (Tm) Pessimistic (Tp) Average (Te) 1 A - 2 3 4 ? 3 2 B A 1 2 3 2 3 C A 1 2.05 4 2.2 4 D B 4 5 6 5 5 E B 3 4 5 4 6 F C 2 3 4 3 7 G D 1.2 2 4 2.2 8 H E,F, G 3 4 6 4.167 9 I H 3 4 5 4 10 J I 2 1 3 1.5 Questions: Draw the PERT network from the given data. (arrow_forward
- What is the purpose of a feasibility study in the initial stages of a project?arrow_forwardThe manager of the Oak Hills Swimming Club is planning the club’s swimming team program. The first team practice is scheduled for May 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows: Activity Optimistic Most Probable Pessimistic Immediate Predecessors A 1 2 3 - B 4 6 8 A C 2 4 6 A D 1 2 3 B, C E 2 3 4 B F 1 2 3 A G 1 2 3 D H 1 2 3 G I 1 1 1 E, H, F A. Draw a project network for this problem. B. Fill in all the blanks in the following table. Note: For variance (σ2) in activity time, keep two decimal places. Activity Expected Time t (weeks) Variance σ2 ES EF LS LF Slack Critical Path? A B C D…arrow_forwardThe manager of the Oak Hills Swimming Club is planning the club’s swimming team program. The first team practice is scheduled for May 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows: Activity Optimistic Most Probable Pessimistic Immediate Predecessors A 1 2 3 - B 4 6 8 A C 2 4 6 A D 1 2 3 B, C E 2 3 4 B F 1 2 3 A G 1 2 3 D H 1 2 3 G I 1 1 1 E, H, F Draw a project network for this problem. Fill in all the blanks in the following table. Note: For variance (σ2) in activity time, keep two decimal places. Activity Expected Time t (weeks) Variance σ2 ES EF LS LF Slack Critical Path? A B C D…arrow_forward
- The manager of the Oak Hills Swimming Club is planning the club’s swimming team program. The first team practice is scheduled for May 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows: Activity Optimistic Most Probable Pessimistic Immediate Predecessors A 1 2 3 - B 4 6 8 A C 2 4 6 A D 1 2 3 B, C E 2 3 4 B F 1 2 3 A G 1 2 3 D H 1 2 3 G I 1 1 1 E, H, F a. Draw a project network for this problem. b. Fill in all the blanks in the following table. c. What is the expected time and variance to complete the project? Note: For variance (σ2) in activity time, keep two decimal places. Activity Expected Time t (weeks) Variance σ2 ES EF LS LF Slack Critical Path? A B C…arrow_forwardXYZ Grocery Stores has a plan to introduce a new section into their stores in the next 10 months, in which customers can mix their own choices of flavors and additives into yogurt. For this, they should develop a O Short-term plan Intermediate plan O Long-term plan Scenario planarrow_forwardSsus and the management at yankee Itd. Want an expected time and variance for pest control activity and for that optimistic time was 2 weeks , pessimistic time was 8 weeks and most likely time is 4 weeks ?arrow_forward
- quetion 1 a)What is a burn-down chart? What purpose does it serve? b)Why should a project manager be concerned with monitoring a project’s progress? c) Describe how the SPI and CPI can be used to forecast the final cost of a project?arrow_forwardMary is planning her wedding and develops the following preliminary information. Construct an early start date Gantt chart.arrow_forwardOmar has recently been hired as the HIM director at a large medical center. He realizes that he has a number of employees whose job duties would allow them to work from home. Because his boss has asked him for a space reduction proposal, he recognizes the need to implement a work-at-home program for his employees. What steps should Omar take in developing a security program for the employees who will work from home? Develop a checklist of considerations, along with a list of resources that would facilitate his security program.arrow_forward
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