Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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Question
Lance Armstrong’s Bike Shop is behind on a custom bike and needs to crash 8 hours of time from the 8-step project.
- Draw the Network Diagram.
- Given the project table below calculate the crash cost for 8 hours of time-savings.
- Suppose Lance calls the customer and asks for a project extension, reducing the amount of time he needs to crash. Lance has a $20 crash budget. Is the budget sufficient to crash 4 hours of time?
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- Questions in red 15-16arrow_forwardPlease don't provide handwriting solutionarrow_forwardKelle Carpet and Trim installs carpet in commercial offices. Peter Kelle has been very concerned with the amount of time it took to complete several recent jobs. Some of his workers are very unreliable. A list of activities and their optimistic completion time, the most likely completion time, and the pessimistic completion time (all in days) for a new contract are given in the following table: Time (days) Activity a 3 5 3 4 1 2 7 TH 3 10 10 ABCD E F G H I K 61 525DE5 13 m Activity A 3 7 11 15 9 This exercise contains only part a. a) Based on the activity time estimates, the expected times and variance for each of the activities are: (Round your responses to two decimal places.) b 9 5 3 8 5 13 49127 13 Immediate Predecessor(s) Expected Time C B, D A, E A, E F G C H, I Variancearrow_forward
- The accompanying table shows the activities, times, and sequences required: ACTIVITY IMMEDIATE PREDECESSOR TIME (WEEKS) A 3 B 2 C 4 4 6 6 DEFGHH I ✔A-C-F-G- ? A-B-E-I b. What is the critical path? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.) ? A-D-H- ? A-D-F-G- B ✓C c. Suppose you want to shorten the completion time as much as possible, and you have the option of shortening any or all of B. C, D. and G each one week. Which would you shorten? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.) ✔A-D-H- A A A B ? A-B-E-I C, D D, F D E, G, H d-1. What is the new critical path? (You may select more than one answer. Single click the box with the question mark to…arrow_forwardb) – Draw the Activity-on-Node (AON) diagram using the following representation for every node: Activity Description Expected Time ES EF LS LF Slack C.) Complete the following table, determine the expected time of completion assuming that the project starts at week 0 (zero) and identify the critical path for this project. Demonstrate all your calculations. On Critical Path? Activity Activity Description ES EF LS LF Slack Yes or No Locate new facilities 2 Order furniture Interview prospective staff Hire and train staff 3 4. Remodel facilities Receive and set up furniture Move in and start up 6 7 a) Complete the following table, calculate the project variance and project standard deviation. Demonstrate all your calculations.arrow_forwardPower Builders Inc. is planning for an upcoming job with a large client. They have listed the specific activities and steps to be performed, and estimated the time to complete each activity. The activities involved in the job are listed below: Activity Description of Activity Preceding Activity Estimated Time Required (in weeks) A B C D E F G H I J K Planning Meeting Obtain Permit Inspect Damage Begin Repair Work Order Additional Materials Apply for Waiver Obtain Waiver Complete Electrical Work Build Interior Partitions Onsite Testing Meet With Client -- A B A D E C, F D H G, I J 5 2 5 4 2 4 2 5 5 2 2 REQUIRED: Prepare a Gantt Chart from the facts in this time budget.arrow_forward
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