6. Suppose you are given the following data for a project:ActivityExpected Activity Time(in days)ABCDEFGHF242430Variance2.12.81.8HWhat is the probability the project will take less than 80 days?a. 2.5%b. 16%c. 84%d. 97.5%e. 99.85%ICritical PathZ27 7N

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Answered: 6. Suppose you are given the following…

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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2. Explain the importance of a PERT diagram in a project plan.
A project has three critical paths: A-B-C-D-E, A-G-H-E, and A-F-I-E. Crashing costs (in thousands, per week) for each activity is listed below: Activity Crashing Crashing Crashing 1st time 2nd time 3rd time 37 1 27 4. C 26 2 8 39 4. F 28 29 2 G 27 25 H. 8. 3 What is the total cost of reducing this project by two weeks? а. 44 b. 76 C. 48 d. 50 e. 34 2] 4, O'O
Consider a project having the following ten activities: Optimistic Time (o) (weeks) Most likely Pessimistic Time (p) (weeks). 9 Time (m) (weeks) 5 Immediate Time Est. Activity A Predecessors none 1 B A 6 5 C A 3 5 9 4 A 2 4 3 E В, С 4 4 4 4 F D 4 7 6 G E 2 2 8 H E, F 7 8 8 I F 4 7 J G, H, I 3 5 7 5 a) Draw and AOA diagram. b) Identifying due time of the critical path c) Compute for te, Path total, , total time duration of the critical Path d) Compute for z value, the Pz (Normal standard distribution) and plot in a graph and the expected time for each activity?
Act Dur. 1-2 A 2-3 8 5. 2-4 C 46 C 2-5 D 56 D 3-7 E 4-8 F 69 G 3. 5-10 H 7-11 I 8-12 J 9-14 K 10-13 L 13-14 M 11-18 N 12-15 O 15-17 O 15-18 O 14-17 P Find total duration to finish the project And find critical path By AoA method 3:33 PM /
Use the information provided to determine the critical path and calculate this path
Three activities are candidates for crashing on a project network for a large computer installation (all are, of course, critical). Activity details are in the following table: Normal Activity Time (days) A B с 7 4 11 Crash Time (days) 6 2 9 Normal Cost $5,000 $1,400 $4,200 Total Cost with Crashing Immediate Predecessor(s) $5,500 $3,100 $6,200 A
Copleo Staton Usc Critical Path Method to cstinate in how many weeks the project below will be subenitiod ad find the eritical path (Choose 2 answers weeks and critical path) Activity A: Prepare Initial design B: Identify new potential clients C: Develop prospectus for tenants A D: Prepare final design E: Obtain planning permission F: obtain finance from bank G: Select contractor H: Construction I: Finalize tenant contracts J: Tenants move in dependent time 5. 3 8 E D G, F В, с, Е I, H 3 17 13 2 k Seve and Submit te sere and subeit. Click Save AR Ansers fto see all axnrers. Save AA Take Test: MD-TIRM. eveptmeged d- Downlods O34 WeekS 29 Weeks Critical path : A-GE-F-H-J Critical path : A-D-E-F-HJ O Critical path : A-C-B-F-H J O 35 weeks Click Save and Submir to save and submit. Chick Save All Ansvers to sa Dewnloads Take Test MD-T of TOSHIBA
Activity Optimistic 56 ABCDEFGH-K А 7 1 8 11232 Time Estimates (weeks) Most Likely Pessimistic 63555 N 5 10 10 24242BSAHON 12 17 10 12 Immediate Predecessor(s) START START START B A, C D. E D, E FG HG H
← Consider the following crash data for a project. Times are given in weeks. ACTIVITY A B C D E F How many week(s) of crashing are available for activity E in the table above? Activity E has sweeks of crashing available. What will be the cost of activity E if it is completed in 3 weeks? The cost will be $ NORMAL TIME 4 7 8 3 7 6 CRASH TIME 4 5 3 1 1 3 NORMAL COST ($) 1,400 5,000 5,700 2,400 1,100 2,800 CRASH COST ($) 1,400 6,200 8,700 3,800 5,900 5,200 (s) po Time
. Assume that a project has an expected total duration of 25 days, but several optimistic employees feel that it can be completed in as little as 18 days, while others expect it to take nearly 40 days. Using program evaluation and review technique calculations, what is the project duration to be used in project Gantt charts and other tracking tools?2. If a critical path method calculation of project duration was 25 days, how does the program evaluation and review technique calculation in Question 1 compare?
The following project has a critical path of ACD with an expected duration of 10 weeks and a standard deviation of 2 weeks. Given the cost data below. What is the P95 estimate of the cost of the project, Мean Stdh. Dev. Activity Predecessors Cost ($K) Cost ($K) none A 4 1.5 A 7. 2.75 B,C 2 0.5 O 19.6 O 8.4 22.8 O 24.2 O 14.6
For the project data shown in the table below. Find the expected time to achieve 45% (Assume that project time is in days)

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6. Suppose you are given the following data for a project: Activity Expected Activity Time (in days) A 24 24 30 c. 84% d. 97.5% e. 99.85% Variance 2.1 D E F G H What is the probability the project will take less than 80 days? a. 2.5% b. 16% 2.8 1.8 Critical Path Z ZZ N N N