2. An advertising project manager developed the network diagram shown in Figure below for a newadvertising campaign. In addition, the manager gathered the time information for each activity, as shown inthe table.FinishStartBTIME ESTIMATES (WEEKS)ActivityOptimisticMost LikelyPessimisticImmediate Predecessor(s)A147В26.7C3BD61314AE3.12A, CF6.816G1E, Fa. 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? Use the Normal Distribution Tableprovided in the Module.

Formula used- Early Start (ES) = Max EF of its predecessor Early Finish (EF) =ES +Duration Late…

Answered: 2. An advertising project manager…

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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Follow up to previous question: 3) A company decides to plan a project, with activities, precedences and random duration statistics given in the following table: Activity Immediate Predecessors Duration Minimum (weeks) Duration Mode (weeks) Duration Maximum (weeks) A none 2 5 9 B A 1 6 8 C A 3 5 12 D B 2 4 12 E B, C 4 6 8 F B 6 7 8 G D, E 1 2 6 H F, G 4 6 16 Questions: 1) What method should be used? Compute the mean and variances for each activity and add them to the table above. 2)Draw the project network and label the arcs with the activity name. 3) Assuming that the critical path is AàBàP1àEàGàH, compute the probability that this path duration is between 28 weeks and 32 weeks. 4) Assuming that the critical path is AàBàP1àEàGàH, compute the number of weeks within which the project will be completed with probability 0.95.
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
3.8 Roger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a num- ber of activities that must be completed before a training program of this nature could be conducted. The activities, immediate pre- decessors, and times appear in the accompanying table: a) DrawtheappropriateAONPERTdiagramforJ.C.Howard’s management team. b) Find the critical path. c) What is the project completion time? • • 3.11 The following is a table of activities associated with a project at Rafay Ishfaq’s software firm in Chicago, their dura- tions, and what activities each must precede: ACTIVITY DURATION (WEEKS) PRECEDES A (start) 1 B, C B 1 E C 4 F E 2 F F (end) 2 — ACTIVITY IMMEDIATE PREDECESSOR(S) TIME (DAYS) A — 2 B — 5 C — 1 D B…
The project described in the following table has just begun. It is scheduled to be completed in 11 weeks.Use Table B1 and Table B2. Activity Estimated Time(weeks) Standard Deviation(wks.) 1-2 4 0.70 2-4 6 0.90 1-3 3 0.62 3-4 9 1.90 a. If you were the manager of this project, would you be concerned? (Round your intermediate calculations to 2 decimal places and "Probability" values to 4 decimal places.) because the probability of finishing on schedule is only about . b. If there is a penalty of $5,000 a week for each week the project is late, what is the probability of incurring a penalty of at least $5,000? (Round your intermediate calculations to 2 decimal places and "Probability" values to 4 decimal places.) Probability Have worked this with various formulas and all come back wrong. Where am I making a mistake
Jordanne King, the project manager for Webjets International, Inc., compiled a table showing time estimates for each of the activities of a project to upgrade the company’s Web page, including optimistic, most likely, and pessimistic.a. Calculate the expected time, te, for each activity.b. Calculate the variance, s2, for each activity.Activity Optimistic (days) Most Likely (days) Pessimistic (days)A 3 8 19B 12 15 18C 2 6 16D 4 9 20E 1 4 7
General Foundry’s project crashing data are shown below. Crash this project to 13 weeks using CPM. What is the final time for each activity after crashing? What is the crash cost per week per activity and the total cost of crashing? TIME (WEEKS) COST ($) ACTIVITY IMMEDIATE PREDECESSORS NORMAL CRASH NORMAL CRASH A — 2 1 22,000 23,000 B — 3 1 30,000 34,000 C A 2 1 26,000 27,000 D B 3 2 48,000 49,000 E C 4 2 56,000 58,000 F C 3 2 30,000 30,500 G D, E 5 2 80,000 83,000 H F, G 2 1 16,000 19,000
11-23 Tom Schriber, the director of personnel of Manage-ment Resources, Inc., is in the process of designing a program that its customers can use in the job-findingprocess. Some of the activities include preparingresumés, writing letters, making appointments to seeprospective employers, and researching companiesand industries. The information on these activities isshown in the following table: (d) Determine the critical path(s) and project com-pletion time. (e) Determine the probability that the project willbe finished in 70 days or less.(f) Determine the probability that the project willbe finished in 80 days or less.
The manager of the Oak Hills Swimming Club is planning the club’s swimming team program. The first team practice is scheduled for May 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows: Time (in weeks) Activity Description Immediate Predecessor Optimistic Most Probable Pessimistic A Meet with board ------ 1 1 2 B Hire coaches A 4 6 8 C Reserve pool A 2 4 6 D Announce Program B, C 1 2 3 E Meet with Coaches B 2 3 4 F Order Team Suits A 1 2 3 G Register Swimmers D 1 2 3 H Collect Fees G 1 2 3 I Plan first practice E, H, F 1 1 1 a) What is the critical path? b) What is the project expected time? c) What is the probability of completing in 13…
The manager of the Oak Hills Swimming Club is planning the club’s swimming team program. The first team practice is scheduled for May 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows: Time (in weeks) Activity Description Immediate Predecessor Optimistic Most Probable Pessimistic A Meet with board ------ 1 1 2 B Hire coaches A 4 6 8 C Reserve pool A 2 4 6 D Announce Program B, C 1 2 3 E Meet with Coaches B 2 3 4 F Order Team Suits A 1 2 3 G Register Swimmers D 1 2 3 H Collect Fees G 1 2 3 I Plan first practice E, H, F 1 1 1 b) What is the project expected time? c) What is the probability of completing in 13 weeks? d) What is the…
Consider the following table: ACTIVITY PREC. ACT. TIME ESTIMATES (days) to tml tp te A --- 2 3 4 B --- 4 7 10 C A 1 2 3 D B 2 5 8 E B 4 6 8 F C , D 1 1 1 G E 3 4 5 H G , F 3 6 15 1. Construct a PERT network. [NOTE: This is the most crucial part of the exercise. Make sure you…
Draw a network diagram showing the linkage between these activities from start to finish. For the diagram, each activity should be labelled alphabetically ie. A, B, C… etc. PERT Formula: TE = (O + 4T + P) / 6 TE = Pert Expected Time Duration, O = Optimistic estimate, P = Pessimistic estimate, T = Most Likely (Typical) estimate Activity Predecessor Optimistic Most Likely Pessimistic Duration Duration in Weeks A — 2 3 4 B — 4 5 7 C B 1 2 3 D C & E 0.5 1 1.5 E B 0.5 1 1.5 F C 2 3 4 G F 2 3 4
PERT/CPM HOMEWORK (MOD 10) In the table below, you will see activities and times associated with each activity. Review the PowerPoint slides in Module 10 , before you start this assignment. Task Preceding Tasks to (optimistic) tm (most likely) tp (pessimistic) A NONE 2 3 10 B NONE 2 3 4 C A 1 2 3 D A 4 6 14 E B 4 5 12 F C 3 4 5 G D,E 1 1 7 1.) Draw the network using the table above. Make sure all 4 values (ES, EF, LS, LF) are listed on the network. 2.) What is the slack for each activity? What is the critical path? Show ALL of your work! 3.) Find the expected project completion time. What is the project variance? 4.) What is the probability that it would be in more than 14 days? Show ALL of your work. *The circle diagram picture is just an example of how it should look it is not apart of the problem in the chart

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