PM.61 Rob Smith is managing a small project at Boston University. He is under pressure to shorten the overall duration of the project by 4 weeks and hewants to do so at the lowest cost possible. In order to meet this objective a number of activities must be crashed.ActivityNormal Time (weeks)Crashed Time (weeks) Normal CostCrashed CostPredecessor(s)A5$900$1,300В3$400$5005$500$675D3$900$1,200AE3$1,500$2,400CF32$600$700ВWhat is the duration of the project (in weeks)?NumberWhat is the target duration of the project (after crashing the project)?NumberBy how many weeks should activity A be crashed?NumberBy how many weeks should activity B be crashed?NumberBy how many weeks should activity C be crashed?NumberO || LO || CO By how many weeks should activity C be crashed?NumberBy how many weeks should activity D be crashed?NumberBy how many weeks should activity E be crashed?NumberBy how many weeks should activity F be crashed?NumberWhat is the total cost of crashing the project 4 weeks (just the additional cost, not total project cost)? (Display your answer to two decimal places.)Number

Possible path Duration Maximum Critical A-D 6+5 = 11 weeks No No C-E 5+3 = 8 weeks No No B-F…

Answered: PM.61 Rob Smith is managing a small…

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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Using your results from Problem 6,(a) Calculate the probability that the project will be completedin 38 weeks.(b) Calculate the probability that the project will be completedin 42 weeks
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.
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 CDEFGHI J Duration 85 2846 7 45 6 (days) Following Activity C,D EFGHIJJ * If the project shown above had a delay of (4 days after (13working days), what would its new delivery date be? B B
The following is a table of activities associated with a project at Rafay Ishfaq's software firm in Chicago, their durations, what activities each must precede and the crash cost to reduce duration per week Activity Duration (weeks) Precedes Crash Cost/Week A (start) B C E F (end) 3 2 4 1 4 Activity B, C E F F Suppose that Ratay is only given 9 weeks (instead of 11) to complete the project. By how many weeks should each activity be crashed in order to meet the deadline? Assume that you can crash an activity down to D weeks duration A B C $380 $130 $240 $150 $420 Each Activity Should be Reduced BY (weeks) week(s) week(s) week(s)
The following table shows estimates of activity times (in weeks) for a project: b. What is the probability that the project will be completed within 33 weeks? c. What is the probability that the project will be completed in more than 34 weeks? Activity d. What is the probability that the project will be completed in 35 weeks? ABCDEFG А G Optimistic Most Probable Time Time 5 6 3.5 4 3 6 7 5 9 4 6.5 Suppose that the critical path is A-C-E-F-G. Use Appendix A to answer the questions. Do not round intermediate calculations. Round your answers to three decimal places. a. What is the probability that the project will be completed within 36 weeks? 6 10.5 Pessimistic Time 7 4.5 5 10 9 7 15
The times are written to indicate weeks!!!! Let the start date of the project shown in Activity 3 be January 1, 2020. Determine start dates of all the activities. Draw a Gantt chart. You may use Microsoft Excel, Gantt project, or some other software. Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.
11. Using PERT, Adam Munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 24 months, and the project variance is 4. Part 2 a) The probability that the project will be completed in 20 months = ______ (round your response to four decimal places)
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,
B/U pe Activity A B D 11. A project has the activity duration and cost information indicated in the table where all times are in weeks. There is a penalty of $4,000 per week for every week the project exceeds 37 weeks. What is the lowest total cost for completing this project? Predecessor Time 18 11 A A B C E D Normal A H 12 15 3 19 Asbe de ABC' AMBBC RACE AB 7 8 12 6 Normal Cost Crash Time Crash Cost $22,000 $32,000 $62,000 $18,000 $35,000 $8,000 $23,000 $32,000 $56,000 $12,000 5 $18,000 19 $22,000 $9,000 $15,000 $5,000 $13,000 $20,000 $45,000 2 5 4
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A. What is the critical path for this project network? A-B-C-D-E-F-G-H A-C-F-H A-D-G-H B-E-G-H B. What is the probability that the critical path for this project will be completed within 75 weeks? (Please use decimal point format.)
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

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