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A network diagram shows the sequence of the task that is done to complete a project. It usually shows the link of each task with the duration taken by each activity with respect to the completion of the project. Each task is shown with the nodes that are connected with each other with the help of arrows. There are 2 types of network diagrams:- CPM and PERT.
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- Kelle 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: Activity a m b Immediate Predecessor(s) Activity a m b Immediate Predecessor(s) A 4 7 9 - G 7 11 13 A, E B 4 5 6 - H 10 11 12 F C 1 2 3 - I 3 5 7 G D 7 8 9 C J 15 17 19 C E 1 3 5 B, D K 5 9 13 H, I F 1 2 3 A, E c) For the given project, the start (ES) and earliest finish (EF) are: (Round your responses to two decimal places.) Activity ES EF question es, ef: find for A-K d) For the given project, the latest start (LS) and latest finish (LF) are: (Round your responses to two decimal…What is the minimum cost of crashing the following project that Roger Solano manages at Slippery Rock University by 4 days? Normal Cost $800 $200 $600 $750 $1,200 Normal Crash Activity Time (days) Time (days) 4 3 8 6 The total cost of crashing the project by 4 days is $ ABCDE 487 355 (Enter your response as a whole number.) Total Cost with Crashing Immediate Predecessor(s) $1,500 $1,650 By how many days should each activity be crashed to reduce the project completion time by 4 days? Fill in the table below. (Enter your responses as whole numbers.) Each Activity Should be Reduced BY (days) Activity A B C D E $1,100 $600 $650 A CAssume we are planning to develop a room reservation system that is estimated to have 400 story points of features. Let’s say our team’s velocity on two-week sprints ranges between 20 and 25 story points. Our project will start on Dec 1, 2021. If our customer wants the project to be in production by end of June 22, how likely will the project be successful? Why? Show your calculations.
- Farihah is a project manager for a systems development project involving a new database application for her organization’s human resources department. Despite Farihah’s best efforts at estimating the time requirements for the project, the team has missed the deadline for completing the Analysis Phase and producing the System Proposal. Farihah had estimated during her 6-week Planning Phase that Analysis would require 2 months, but the team finished the System Proposal 2 weeks behind their planned target date. Based on her discussions with the team members, Farihah believes that the system is more complex than she originally thought. Should Farihah adjust her timeline, or can she try to make up for the lost two weeks? Farihah needs your advice.Kelle 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 VarianceWhat's the best way to resolve this problem? Kelle 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: Activity a m b Immediate Predecessor(s) Activity a m b Immediate Predecessor(s) A 3 5 9 - G 1 2 3 A, E B 4 5 6 - H 4 6 8 F C 1 2 3 - I 10 11 12 G D 7 8 9 C J 15 17 19 C E 1 3 5 B, D K 4 8 12 H, I F 5 10 15 A, E b) Activities on the critical path for the project are C - D - E - F - H - K c) For the given project, the earliest start (ES) and earliest finish (EF) are: For the given project, the latest start (LS) and latest finish (LF) are: (Round your responses to two decimal places.) Referring to the…
- A project consists of five activities as shown in the following table. Activity Floor sanding Floor buffing Paint mixing Wall painting Ceiling painting Optimistic Time (hr) Most Probable Time (hr) 4 4 0.5 2 3 5 5 Сл 1 3 7.5 Pessimistic Time (hr) 6 6 1.5 10 9 Naturally, the paint mixing precedes the painting activities. Also, both ceiling painting and floor sanding must be done prior to floor buffing. (a) Construct the PERT/CPM network for this problem.Using your results from Problem 6,(a) Calculate the probability that the project will be completedin 38 weeks.(b) Calculate the probability that the project will be completedin 42 weeksExample: Undertaking by a contractor to implement a contracting for excavation works according to the scheme below, undertaking to complete the work within a period of 36 weeks with a probability of 99% between in light of the contractor's probability. The actual time period for the completion of the project within the PERT technology? Act. a b te u C.P 1-2 7 8. 6.33 1 1 *1,2 2-3 6. 9 6.33 0.66 0.443 *2 2-4 3 7 8. 6.5 0.83 .693 *1 2-5 4 6. 0.33 3-6 9. 10 8.66 0.66 0.443 *2 4-7 6. 8 11 8.166 0.83 .693 *1 5-7 4 7 5.83 0.5 6-8 7 10 7.16 0.83 .693 *2 7-8 4 8 7.5 0.83 .693 *1 8-9 4 7 9 6.83 0.83 .693 *1,2
- Prepare and upload a 1-page cost model for this project using spreadsheet software. Use the following work breakdown structure (WBS), and document your assumptions in preparing the cost model. Assume a labor rate of $100 per hour for the project manager and $60 per hour for other project team members. Assume that none of the work is outsourced, labor costs for users are not included, and there are no additional hardware costs. The total estimate should be $200,000. Project management Requirements definition Website design Registration for recreational programs Registration for classes and programs Tracking system Incentive system Website development Registration for recreational programs Registration for classes and programs Tracking system Incentive system Testing Training, rollout, and support Using the cost model you created in the first task, prepare a cost baseline by allocating the costs by WBS for each month of the project. Assume that you have completed 3 months of the…c. What is the probability of completion in 20, 21, and 22 weeks? Use Appendix A to answer the question. Do not round intermediate calculations. Round your answers to four decimal places. Probability of completion in 20 weeks: Probability of completion in 21 weeks: Probability of completion in 22 weeks:The table below contains data for the installation of new equipment in a manufacturing process for a steel corporation. Your company is responsible for the installation project. Indirect costs are $6,000 per week, and a penalty cost of $10,000 per week will be incurred by your company for every week the project is delayed beyond week 15. Activity Immediate Predecessor(s) Normal Time (weeks) Crash Time (weeks) Normal Cost ($) Crash Cost ($) A None 2 1 7,000 10,000 B None 2 2 3,000 3,000 C A 3 1 12,000 40,000 D B 3 2 12,000 28,000 E C 1 1 8,000 8,000 F D, E 5 3 5,000 15,000 G E 3 2 9,000 18,000 H F, G 8 6 14,000 32,000 Construct a network diagram for the project. What are the project completion time and the total cost under normal conditions? What is the shortest time duration for this project regardless of cost? What is the resulting total cost? What is the…