States)BE-Text Predictions: OnActivityAI U2. Given below are additional details for the Evergreen Company's construction project, i.e.three time estimates.BCDALLEFOptimistic0.5ARDCCDGEeNormal2.510.90.5Most Likely12321AaBb CcDdEeNo Spacing1AaBbCcL AaBbCcDd.Heading 1Heading 2Pessimistic22.53.531.11.5a) Calculate the expected completion times and completion variances for each activity.b) What are the expected days to completion now for Evergreen?c) Compute the variance and standard deviation of the Evergreen project's completion time.d) What is the probability that the Evergreen Company's project can be completed in 6.5days?e) What would be Evergreen Company's completion days if we needed a 95% confidencelevel?f) Which noncritical activities should Evergreen Company monitor closely? Why?Focus E

Forward Pass:Early Start (ES) = Max EF value from immediate Predecessor(s)Early Finish (EF)= ES +…

Answered: 2. Given below are additional details…

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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BED 5 5 2 3 3 4 5 5 6 Activity A CFGHIR Duration 4 (days) Following B,D,E C,F F F,G G G H,I RR Activity Find the project completion of the project and the critical path.
Please help with (b) and (c) as both answers given were incorrect! Please need correct answers. Blue Lagoon is a contractor that installs residential swimming pools, projects that consist of nine major activities. The activities, their immediate predecessors, and the activity time estimates (in days) are shown. Activity Immediate Predecessor Optimistic Most Probable Pessimistic A 3 5 6 B 2 4 6 C A, B 6 7 8 D A, B 8 10 11 E B 2 4 6 F C 1 2 3 G D 6 10 12 H D, F 7 9 11 I E, G, H 3 4 5 (a) What are the critical activities? (Enter your answers as a comma-separated list.) $$A, D, G, I (b) What is the expected time (in days) to complete the project? (Round your answer to two decimal places.) (c) Based only on the critical path, what is the estimated probability that the project can be completed in 28 or fewer days? (Round your answer to four decimal places.)
Activity A B CEDFGHJLNMI OKSQ Duration 2 4 3 2 758 31 47 3 11 8 2 4 3 Weeks Followed EFGH DDF By Q J N Q: For the activities shown in the table above, find the time duration of the project and the critical path. Arrange the information E.S, E.F, L.S, L.F, and T.F in a table.
how to solve this problem A and B? A.Find the critical path and the entire project completion time.B.Which task has the most slack time?
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
2. A small software development project at Krishna Dhir's firm has five major activities. The times (in days) are estimated and provided in the table below: Activity Immediate Predecessor a m b A − 2 5 8 B − 3 6 9 C A 4 7 10 D B 2 5 14 E C 3 3 3 Part 2 d) The probability that it will take more than 17 days to complete this projectbe is __ (keep two decimal places). e) The due date that yields a 98% chance of completion is ____ days (keep two decimal places).
3. The company wants to implement the new project. The following are the activities required to complete the project, the precedence relationship of the activities and the activity estimates (in weeks) also given as below. Precedence Activity Code Requirement Optimistic Most likely Pessimistic 5 17 3 12 15 4. 10 8 23 1 1 1 F 1 4 13 B,D 3 6. 9. F,I 1 2.5 7. 1 1 1 H 2 K H 5 8. 11 Draw the network diagram; determine the earliest and latest activity times, the expected time of completion, standard deviation, and the probability that the project will be completed in 40 weeks or less.
A small software development project at ICT company project has five major activities. The times are estimated and provided in the table 3 below. Table 3 Optimistic time (weeks) Activity A B C D E Immediate Predecessor A B C.D 2 3 4 2 3 Most likely (weeks) 5 6 7 5 3 Pessimistic time (weeks) 8 9 10 14 5 a) Draw a PERT and CPM. What is the expected completion time for this project. b) Find the expected time, variance and standard deviation for ICT company project. c) Find the probability that the project will take 17 weeks periods to complete. [Normal Distribution Table (0.5) is 0.32894] d) Find the probability that the project will take 14 weeks periods to complete. [Normal Distribution Table (0.5) is 0.32894]
Q4: For the following project Activity A B C Preceding A A activity d. 10 19 7 Find:(1) The critical path. (2) The completion time. (3) The float time. D B 6 E B 12 FC 6 ola! G C 8 H F 8 1 D 4 KE J G.HE 11 S L I 7
A plant is acquiring new production machinery. Before the machinery can be fully functional, a number of activities must be performed. The activities, their precedence relationships, and their durations are shown in the following table. Days Activity a m b Immediate Predecessors A 6 8 10 - B 4 5 6 - C 1 2 3 - D 8 18 28 A E 4 5 6 C F 7 8 9 B, D, E G 4 5 9 B, D, E H 12 13 14 F I 8 9 10 F J 4 5 6 G, H K 2 5 8 I, J L 1 2 6 G, H Use excel to answer the following; a) Develop a project network for this problem. b) Determine the expected duration and variance for each activity. c) Determine the EST, EFT, LST, LFT, and slack for each activity.
answer into table
*(b.) (in Microsoft Project) create the network diagram and task schedule table and then provide (in Microsoft Word) the critical path for the project and give in a table the ES, EF, LS, and LF, free float and total slack for each activity (taking information from Microsoft Project).

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