Please solve it within 30 minutes York University is embarking upon a project. There is some uncertainty regarding activity times(in weeks), and university officials have identified optimistic, most likely, and pessimistic timesfor each activity - as shown in the following table:aMostImmediateActivity Optimistic Likely Pessimistic Predecessors79.3COM4.11A6.1646.8В. СE456.BF5С, ЕD, FG1H.1749.I7H2a) [3 marks] Specify the expected activity time and variance of activity time for eachactivity.93 [6 marks] Carefully draw an AON network diagram for the project, and perform both theforward and backward passes in a PERT critical path analysis.

Answered: [6 marks] Carefully draw an AON network…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

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

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c. What is the expected project completion time? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Project completion time d. What is the probability of completing this project within 16 days? (Use Excel's NORMSDIST() function to find the correct probability for your computed Z-value. Do not round intermediate calculations. Round "2" value to 2 decimal places and final answer to 4 decimal places.) Probability 10 00 days 09994
States) B E- Text Predictions: On Activity A I U 2. Given below are additional details for the Evergreen Company's construction project, i.e. three time estimates. B C D ALL E F Optimistic 0.5 ARDCCDGEe Normal 2.5 1 0.9 0.5 Most Likely 1 2 3 2 1 AaBb CcDdEe No Spacing 1 AaBbCcL AaBbCcDd. Heading 1 Heading 2 Pessimistic 2 2.5 3.5 3 1.1 1.5 a) 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 6.5 days? e) What would be Evergreen Company's completion days if we needed a 95% confidence level? f) Which noncritical activities should Evergreen Company monitor closely? Why? Focus E
Using PERT, Adam Munson was a ble to determinethat the expected project completion time for the construction ofa pleasure yacht is 21 months, and the project va riance is 4.a) What is the probability that the project will be completed in17 months?b) What is the probability that the project will be completed in20 months?c) What is the probability that the project will be completed in23 months?d) What is the probability that the project will be completed in25 months?e) What is the due date that yields a 95% chance of completion?
The following precedence diagram reflects three time estimates for each activity. Determine: Use Table B1 and Table B2. 9-10-12 3 8 5-7-10 8-10-14 11-12-13 6 11 14-18-26 10.5-13-15.5 10 8-8-8 1 5-6-7 2 4 13-13-13 7 7-10-12 a. The expected completion time for each path and its variance. (Round intermediate calculations to 4 decimal places and final answers to 2 decimal places.) Path Mean Var. Std. Dev. 1-2-3-8-11 37.33 1-2-4-6-11 43.00 5.11 1-2-4-7-11 0.81 1-2-5-9-10-11 46.83 1.25 9-9-9 10-11-12 10-12-14
Management Firm is a consulting company that specializes in the development of decision support systems. Time (Weeks) Activity Description ImmediatePredecessor Optimistic Most Probable Pessimistic A Report generation 2 8 12 B Web scraping 4 9 11 C Testing A, B 1 1 1 (b) Using all paths through the project network, estimate the probability that the project will be complete within 11 weeks. (Round your answer to four decimal places.)
AABCDE Activity J К Predecessor None PZABUD FGHL-KL EOFICI LA C H с H J.I,K Draft PDS Identify team Kickoff team meeting Source previous rocket Identify & order missing or new materials/parts Assembly Simulation Alpha Test Beta Test Training of key people Buy food to bring Launch DITONT Duration (wks) 1 1 0 2 4 8722860 1. Show the Critical Path. Give reasons for your answer. 2. If you needed to shorten the duration of the project, which activity or activities would you shorten and why?
The following represents a project that should be scheduled using CPM: ACTIVITY ABCDEFGH А с IMMEDIATE PREDECESSORS IAABUDR C,D D,E F,G TIMES (DAYS) b a 1 1 3 - NTTTTE 1 1 1 1 2 m 5 WaNNASNU 2 5 4 2 2 6 3 ∞∞NWO3770 9 10 12 8
I want answer with explanation... I'll upvote you... Only typed answer I want... The following table of probabilistic time estimates (in weeks) and activity predecessors are provided for a project. Activity optimistic time most likely time pessimistic time Activity Predecessor A 1 4 7 -- B 2 6 7 -- C 3 3 6 B D 6 13 14 A E 3 6 12 A, C F 6 8 16 B G 1 5 6 E, F Table 1 Reference: Ref 1 Using Table 1, the probability that the project could be completed in 23 weeks or less is approximately A. 0.94 B. 0.87 C. 0.91 D. 0.89
Management Firm is a consulting company that specializes in the development of decision support systems. Time (Weeks) Activity Description ImmediatePredecessor Optimistic Most Probable Pessimistic A Report generation 2 8 12 B Web scraping 4 9 11 C Testing A, B 1 1 1 (A) Based solely on the critical path, estimate the probability that the project will be complete within 11 weeks. (Round your answer to four decimal places.) (b) Using all paths through the project network, estimate the probability that the project will be complete within 11 weeks. (Round your answer to four decimal places.)
empt.php/attempt 1839268cmki 73847 Management Sec-1 with Ja Quizzes/ Quiz 2 Duration of Dummy activity is always constant Select one: O True O False
O O D 40 4 22:31 photo_2021-02-2... O By using Bar chart planning method, find the following: - Total duration for the project activities shown below - The project completion date (assume the start date is 1/3/2012 Activity A В CDEF GHIJ Duration 8 28 4 6. 4 5 6 (days) Following C,DEFGH Activity * If the project shown above had a delay of (4 days after (13working days), what would its new delivery date be? 7. 5,
A project consists of five activities as shown in the following table. Activity Floor sanding Floor buffing Paint mixing Wall painting Ceiling painting Optimistic Time (hr) Most Probable Time (hr) 4 4 0.5 2 3 5 5 Сл 1 3 7.5 Pessimistic Time (hr) 6 6 1.5 10 9 Naturally, the paint mixing precedes the painting activities. Also, both ceiling painting and floor sanding must be done prior to floor buffing. (a) Construct the PERT/CPM network for this problem.

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[6 marks] Carefully draw an AON network diagram for the project, and perform both the forward and backward passes in a PERT critical path analysis.