Q2) Shrink the occurrence time of the following project and find: a) The critical path and the expected project completion time. b) Find the optimal duration and optimal cost. Normal Crash Activities Time Cost Time Cost 1-2 100 7 200 1-3 150 230 90 2-4 50 100 2-5 150 3-4 100 200 4-5 80 100 843324 4 2 22222L 1 3

Q2) Shrink the occurrence time of the following project and find: a) The critical path and the expected project completion time. b) Find the optimal duration and optimal cost. Normal Crash Activities Time Cost Time Cost 1-2 100 7 200 1-3 150 230 90 2-4 50 100 2-5 150 3-4 100 200 4-5 80 100 843324 4 2 22222L 1 3

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Calculate the expected time for completion an activity. Immediate Activity Predecessor(s) A None B C D E F G H A A B с D, E D, E F G H, I Optimistic Most Likely Pessimistic Time Time (weeks) (weeks) 3 3 4 4 5 3 3 4 5 3 Time (weeks) 5 7 8 10 4 6 8 3 9 7 12 10 16 5 8 10 11 3 Expected Time (weeks)
Three alternatives are being considered for an engineering project. Their cash-flow estimates are shown in the accompanying table. A and B are mutually exclusive, and C is an optional add-on feature to alternative A. Investment funds are limited to $5,000,000. Another constraint on this project is the engineering personnel needed to design and implement the solution. No more than 10,000 person-hours of engineering time can be committed to the project. Set up a linear integer programming formulation of this resource allocation problem.
Your employer is trying to select from a list of possible capital projects. The projects, along with their cost and benefits, are listed below. The capital budget available is $1 million. In addition to spending constraints, your employer would like to select at least 2 projects. Projects 5 and 3 cannot both be selected together. Formulate the problem as a linear program and determine the optimal solution. Project 1 Cost Net Present Value $230,000 $300, 000 $260,000 $230,000 $255,000 $660,000 $740,000 $450,000 $450,000 $560,000 3 5. Which projects should be selected? Project 1 will Project 2 will Project 3 will Project 4 will Project 5 will What is the total net present value of these projects? Total net present value
(please try to do math in handwritten) Use the following project data for problem 1 through 5 Activity name Predecessor Activity Activity Duration M 3 N 4 M 3 M,N Q. 5 R P,Q 6 R,S 3 1. Prepare an AON Network Diagram 2. Identify all possible paths. Provide that information in a table. The heading of your table should as follow: Path Duration 3. Performa forward pass and a backward pass. Display your result in an AON diagram Use the + follow legend for your node(s) Activity ES EF Duration LS LF 4. Prepare a table summarizingthe results of your Activity Schedule. The heading of your table should as follows: Activity name ES EF LS LF Slack 5. Identify the critical path. What is the project duration? 5. 4. P.
1. Project manager Peter is currently executing a new phone system installation project. The project has a budget of $3,000 and a duration of 11 months total. Peter just completed the 8th month of the project. The project team has completed 90% of the project work and has spent $2,900. Summary: Budget:.. Duration: Now:.... Completed: . Total Spent: Find the following values: BAC : PV : CV: EAC : CPI : ETC : 90% $3,000 11 months 8th month completed $2,900 EV: SV: VAC : Based on the above values, comment on the project status (. AC: SPI : TCPI :
Question 47 Consider the following consulting project and perform the following tasks: a. Develop a critical path diagram b. Calculate ES, EF, LS, and LF times, and determine the duration of the project C. Identify slack times for all activities d. Identify critical path Activity Immediate Predecessor Time Estimate (Weeks) 14 3 A 9. E B. 4 F 7 H. 10 3 F. G H, I,J B.
The purpose of this question is to explore the concepts of team's velocity and project size. Consider three teams operating with the following velocities, Team (a) – 400 points per iteration Team (b) – 500 points per iteration Team ( c) – 900 points per iteration Each team operates with the following cadence, Team (a) – 2 weeks per iteration Team (b) – 5 weeks per iteration Team ( c) – 3 weeks per iteration We also have the system test team that needs to integrate and test the complete application and cannot test a part of it. Consider three projects with the following sizes in points, 3000, 6000, 9000. Question is which team should engage with which project? The goal is for all three teams to complete their respective projects at the same time, and hence to enable the system test to start verification without waiting for anyone? Team (a) should receive a project with 6000 points Team (b) should receive a project with 3000 points Team (c) should receive a project…
Q 3) a) Study the resource usage, and resolve resource over allocation. b) Based on part (a) use project crashing to perform plan optimization to reduce project duration to the obligation date Ts = 70. Assume crashing cost is twice the normal cost.
Consider the following information about a project: Project Year 0 Year 1 Year 2 Year 3 Year 4 Costs $160,000 $43,000 $50,000 $50,000 $64,000 Benefits $0 $400,000 $400, 000 $500,000 $500,000 A ) Calculate the NPV assuming 10% discount rate B ) Determine in which year will be the payback C ) Calculate (ROI)?
Assume you have the following table: A) Find the critical path. B) Calculate the total duration of the project. C) What would happen if activity B were revised to take 6 weeks instead of 3 weeks? Activity Expected Time Predecessor А В 3 A C D 2 E C,D В I 5. III
A PERT chart includes the following information. ACTIVITY A B C D E F IMMEDIATE OPTIMISTIC PREDECESSOR TIME (days) A B,A B,C C D,E 3 4 1 5 2 2 MOST LIKELY TIME (days) 6 8 3 7 4 5 PESSIMISTIC TIME (days) 10 14 8 10 8 9 a) Draw the network diagram. b) State the expected completion time of the project and the critical path. c) What is the probability that the project will be completed within 28 days?