5. Consider the following data (ETB and days).a. Draw activity network of the project.b. Crash the activities step by step until all paths are critical.Activity1-2Normal TimeNormal CostCrash TimeCrash Cost20600177201-325200252002-31030084402-4124007003-453004204-51030056004-6560039005-71050058006-784003700

Find the Given details below: Activity Activity Normal Time (NT) (Days) Normal cost (NC) Crash…

Answered: Consider the following data (ETB and…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Consider the project information in the table below: Immediate Activities Duration (days) Predecessors 8. 6. C 8. 11 A 6. A F 6. H. 4 F, G, H D, E, I Draw and analyze a project network diagram to answer the following questions: What is the most that Activity E can be delayed in starting, without delaying the project? OA. 22 В. 21 OC. 19 O D. 20 O E. 18 5. A B
c-1. The following information pertains to a project that is about to commence. Which activities would you be concerned with in terms of timely project completion? Estimated Duration Activity Precedes (days) A B 15 с, D 12 B E End End F G, H G I H. 6. End 7. K 14 K End 6. Activity ES EF LS LF Slack A D E G J K c-2. Identify the critical activities, and determine the duration of the project. The critical activities are (Click to select)
Activity Normal_time Crash_time Normal_cost Crash_cost Slack A 31 17 4800 6200 В 14 14 5500 5500 C 34 18 5100 6600 21 17 4500 6800 E 15 15 5300 5300 F 17 17 5300 5300 The table shows normal time, crash time, normal cost, crash cost and slack time of activities in a project. According to this table which activity must be crashed first? Assume there is only one critical path. (Only type the name of the activity, Example: A. @orsdemir. Copyrighted content. Cannot be posted.) 0ㅇ11 2 0
(2) Consider the following project: Activity A B D E F G H I Immediate Optimistic Most Probable Predecessor (days) (days) A A B, C B A D G E, H, F I 4 2 1 2 1 I 1 1 2 6 4 2 3 2 2 2 1 Pessimistic (days) Draw the Network diagram. • Calculate expected time and variance for each activity. Find the critical path. • Calculate the total project completion time. • Find project variance. 3 8 6 3 4 3 3 3 1
The following is a table of activities associated with a project at Rafay Ishfaq's software firm in Chicago, their durations, what activition nach must precede and the orash cost to reduce duration per week Crash Cos/Week ITI Duration (weeks) Activity A (start) Precedes B, C $370 B. 2. $120 $240 4. F (end) $140 $400 Suppose that Rafay is only given 8 weeks (instead of 10) to complete the project By how many weeks should each activity be crashed in order to meet the deadline? Assume that you can crash an activity down to 0 weeks duration. Each Activity Each Activity Should be Reduced Activity BY (weeks) week(s) week(s) woek(s) wook(s) week(s) What is the total crashing cost? $ (Enter your response as a whole number)
I need help with part d. Bragg's Bakery is building a new automated bakery in downtown Sandusky. Here are the activities that need to be completed to get the new bakery built and the equipment installed. ACTIVITY PREDECESSOR NORMAL TIME (WEEKS) CRASH TIME (WEEKS) EXPEDITING COST per WEEK A — 9 6 $ 3,000 B A 8 5 3,500 C A 15 10 4,000 D B, C 5 3 2,000 E C 10 6 2,500 F D, E 2 1 5,000 b-1. Identify the critical path. A-C-E-F A-B-D-F A-C-D-F b-2. What is the normal project length? 36 weeks c. What is the project length if all activities are crashed to their minimum? 23 weeks d. Bragg's loses $3,500 in profit per week for every week the bakery is not completed. How many weeks will the project take if we are willing to pay crashing cost as long as it is less than $3,500 for each week crashed? I need help with this question. Thank you!
please only anwer the C part
Activities/Assessments: Activity 12: Individual Given the activities of a project; their optimistic (t.), most likely (tm) and pessimistic (tp) time estimates; and their immediate predecessors shown below: 1. When is the earliest project completion? 2. Which activities are critical (should not be delayed)? 3. Which activities are noncritical (can be delayed)? 4. How long can each of the activities be delayed without delaying the whole project (maximum slack)? Activity Times, months tp 13 Immediate Maximum Slack, Activities Predecessors to tm te months A 1 4 A 4 7 16 A 2 2 D C 4 6 14 E 1 3 5 F E 13 10 13 H G 7 14 В, D F, H, I I 1 1 J 16 25 M7613
21. The following table provides the information necessary to construct a project network and project crash data: Activity (i, j) Activity Predecessor Activity Time (weeks) Normal Crash Activity Cost Normal Crash a (1,2) --- 16 8 $2000 $4400 b (1,3) --- 14 9 1000 1800 c (2,4) a 8 6 500 700 d (2,5) a 5 4 600 1300 e (3,5) b 4 2 1500 3000 f (3,6) b 6 4 800 1600 g (4,6) c 10 7 3000 4500 h (5,6) d, e 15 10 5000 8000 a. Construct the project network b. Manually crash the network to 28 weeks Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.
Please do not give solution in image format thanku
An 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?
Develop 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.

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