Answered: Start A C 11 B E G F D H J K End

Business

Operations Management

Start A C 11 B E G F D H J K End

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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The Industrial and Systems Engineering Department at Sun University is moving from its old building to a new building. The move must be completed within the 14-day period between semesters. A list of tasks (activities) has been prepared. The activities and precedence requirements are presented in the table below. Three time estimates (in days) are given for each activity: optimistic time, most likely time, and pessimistic time. (a) Perform a forward pass and backward pass through the network to determine the critical path, and the expected duration of the project (b) What completion time should the department specify in its proposal in order to be 85% sure that it will complete the project on time? Activity Activity description Immediate predecessor Optimistic time (days) Most likely time (days) Pessimistic time (days) 1 Initiate move - 0 0 0 2 Prepare new building space 1 2 4 6 3 Pack faculty files and books 1 3 4 5 4…
Consider a project that has been modeled as in the table below. Part a) Draw the PERT/CPM network for this project and determine the project’s expected completion time μP and its critical path. Part b) Suppose the standard deviations of the activity durations are σA = 2, σB = 1, σC = 0, σD = 2, σE = 3, and σF = 0. Then please estimate the standard deviation of the overall project’s standard deviation σP . Part c) Suppose for the standard Normal random variable Z, we know P[−1 ≤ Z ≤ +1] ' 68%, P[−2 ≤ Z ≤ +2] ' 95%, and P[−3 ≤ Z ≤ +3] ' 99.7%. Then, approximately what time T is one for which there is only a less than 2.5% chance for the completion time to beat (be shorter than)? *Please answer a-c and type your work and answers or write them neatly please* Thank you
The CEO of Carol O'Lights Manufacturing, produces custom-built relay devices for auto makers. The most recent project undertaken by Ms. O'Lights requires 11 different activities. The activities necessary to build an experimental relay model and related data are given in the following table. What is the Late Start on Activity C? What is the slack on Activity C? What is the slack on Activity B? What is the critical path? What is the Early Finish on Activity H?
Based on Table below, discuss how to complete the following project case:a. Create a network model in the form of Activity and Arrow (AoA) and Activity on Node (AoN) for the marketing product project of a company using the CPM method (manual and optimization software)! b. Analyze the critical path and critical duration for the company's project! Activity Description Predecessor Duration (day) A Production Planning — 18 B Market Survey and Market Research — 20 C Production Analysis A 28 D Modeling Product A, B 31 E Sales Brochures A, B 21 F Cost Analysis C, E 33 G Product Experiment D, E 42 H Sales Training B, E 29 I Cost Pricing H 26 J Project Report F, G, I 50
The Cove at UP is looking to open a new location. Guillermo Santiago has been developing a project plan and has identified the following tasks, precedence relations, and normal task durations. \ tasks predecessors task duration start 0 A start 7 B A 20 C A 34 D B 39 E C,D 6 F D 15 G E,F 33 end G 0 Guillermo has studied project management at the University of Portland and knows that the starting and ending time of any task may be determined from the information in the table using the critical path method. Assume the following notation when answering the questions below: \ Metric Description ES Early start time for task EF Early finsh time for task LS Late start time for task LF Late finsh time for task TS Total slack for task FS Free slack for task IS Independent slack for task SS safety slack for task Please provide the CPM result for each of the following metrics: ES_{end} = LS_{D} = TS_{D} = EF_{G} = LF_{G} =
The Student Affairs Department at UCC has developed a sequence of activities for the University’s Sports Day. The Director has published the activities as shown in the table. All students are expected to participate and all activities are expected to be completed. The activities and immediate predecessors appear in the following table. Develop a network for this problem. ACTIVITY IMMEDIATE PREDECESSOR A -- B -- C -- D B E A, D F C G E, F Copy the following table in your answer booklet. Determine the values for the gray spaces hence complete the copied table. Activity Completion Times Early Start Early Finish Late Start Late Finish Slack On Critical Path A 2 B 5 C 1 D 3 E 2 F 6 G 8 CRITICAL…
The PERT and CPM methods work by determining the "critical path" for completing a series of interrelated activities. Is this statement correct or incorrect?
A project consists of seven activities, lettered A through F below. For each activity, the estimated normal time in number of weeks, crash time, normal cost, crash cost, and its preceding activity are given. Normal Time Crash Time Normal Cost Crash Cost Immediate Activity (weeks) (weeks) (Peso) (Peso) Predecessor(s) A 4 3 2,000 2,600 B 1 2,200 2,800 3 500 500 D 8 4 2,300 2,600 A E 6 900 1,200 В F 3 3,000 4,200 G 4 1,400 2,000 D, E If you wish to reduce the time required to complete this project by one week, which activity should be crashed? O Activity C O Activity D O Activity E O Activity B O Activity A
A business is launching a new product. The launch will require a number of related activities as follows – hire a sales manager (5 weeks), require the sales manager to recruit salespeople (4 weeks), train the salespeople (7 weeks), select an advertising agency (2 weeks), plan an advertising campaign with the agency (4 weeks), conduct the advertising campaign (10 weeks), design the packaging of the product (4 weeks), set up packing operation (12 weeks), pack enough products for the launch stock (8 weeks), order the launch quantity of products from the manufacturer (13 weeks), select distributors for the product (9 weeks), take initial orders from the distributors (3 weeks), dispatch the initial orders to the distributors (2 weeks). What is the earliest time that the new product can be introduced to the market? If the company hire trained salespeople who do not need further training, could the product be introduced 7 weeks earlier? How long could one delay selecting the advertising…
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The Virginia Department of Transportation is undertaking a construction project to widen a large section of interstate highway near Wahington, DC. The project includes the construction of a number of new bridges, interchanges and overpasses. The first step in the process is to appoint a project manager and develop a project team, whose members will be departmental employees and private consultants and operatives. The team for a project of this size also requires a large support staff with a variety of technical skills. Once the team is selected and the staff is in place, the next task is to select a primary contractor to manage and oversee the construction. The following activities are standard for the planning and scheduling of this process: Activity Activity description Time predecessor estimates (weeks) Activity a | b Select project management 2 2 a b Develop team recruitment process 3 a. Implement team recruitment process by 3. 6. Staff needs assessment 3 Staff recruitment…
Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Dave's earliest start (ES) and earliest finish (EF) are: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A B C D 7 6 3 2 A A Activity A ES EFGH EF 7 3 6 11 6 B B C, E D, F