9. The following information is given for a CPM network:Activity Predecessor Successor Normal Time Normal CostA$60708040BAC A, BB, C00DB, CD. CDB. 14OC.16D. 115463223Crash TimeWhat's the normal project completion time, given the information in the table?Crash Cost$1259015060

A network diagram is visual representation of a project which helps to identify the project duration…

Answered: 9. The following information is given…

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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A company must perform a maintenance project consisting of seven activities. The activities, their predecessors, and their respective time estimates are presented below: Activity Break down both machines Clean machine 1 Clean machine 2 Re-set machine 1 Re-set machine 2 Re-calibrate both machines. Final test Designation A B с Using CPM, which activities have slack in this project? D E F G Immediate Predecessor None A A B с D and E F Time in Days 3 3 3 4 2 1 1
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!
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PERT-CPM Yu and Mi Company is planning to computerize its accounting system. Its IT consultant has determined the following activities required to complete this project together with the time estimates and precedence relationships. Time estimates (weeks) Optimistic Most Likely Pessimistic 5 Activity Description Predecessor Recruit project personnel System development System training Equipment training Manual system test Prel. System changeover Computer-personnel interface Equipment redesign Equipment testing J A 8 12 17 B 3 15 C A 4 7 10 D A 8 23 В. С В. С D, E D, E E F 1 1 1 1 4 13 3 H 1 2.5 7 I H 1 1 1 System debugging and installation Equipment changeover F, G G, I K 5 8. 11 a. Determine the expected project completion time and the variance. b. What is the project's critical path? c. Determine the probability that the project will be completed in 40 weeks or less.
The following Table 1 contains a list of activities, with precedence requirements and crash costs. All start and finish times and crash costs are on a per-week basis. Table 1 Activity Predecessor Crash Time Normal Cost (Weeks) Normal Time Crash Cost (Weeks) $ A 10 7 2000 2600 A 12 1500 2000 C A 16 12 2200 300 D 8 7 2500 3000 E C 13 10 1950 2275 F D 9. 8 800 1000 G E, F 24 29 3650 4000 H G 17 14 1200 1800 a) Determine the project cost and duration without crashing. b) Determine the least expensive project cost if the duration is to be 10% shorter than normal project duration. c) Determine the least expensive project cost if the duration is to be 20% shorter than normal project duration.
4
Table 7.5 Activity Predecessor Time (days) A 8 B C D E F G H с Select one: 1 1 A. 23 days B. 29 days C. 25 days D. 27 days 1 A,B с A D, E G A W U ∞0 8 wor 6 3 10 8 5 Using Table 7.5, what is the earliest completion time of this project? 3
DURATION, DAYS NORMAL ACCELERATED 5 3 5 4 3 2 5 # 3 # 3 ACTIVITY NODE A 0-1 B 0-2 C 0-3 D 1 to 2 E 2 to 3 4 F 3 to 4 5 determine the following: -Normal cost -additional cost -maximum crash time for activity A 7 NORMAL COST, PESO ACCELERATED 1,600.00 4,000.00 15,000.00 3,500.00 1,500.00 1,800.00 1,000.00 € 3,000.00 12,000.00 3,000.00 € 1,000.00 # 1,000.00
answer into table
a) Prepare the Activity Node Diagram and identify the Critical Path b) Prepare Gantt ChartThanks
6. Suppose you are given the following data for a project: Activity Expected Activity Time (in days) ABCDEFGH F 24 24 30 Variance 2.1 2.8 1.8 H What is the probability the project will take less than 80 days? a. 2.5% b. 16% c. 84% d. 97.5% e. 99.85% I Critical Path Z 27 7 N

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