Struggling w homework - would appreciate help. Assume that the normal duration of activity A is 20 days and that it can beshortened to 14 for an added cost of $2600, the crash cost per day is,Note:1- Round your final answer to the nearest integer.2- Do not include the $ symbol in your answer. For instance, if the crash costper day is $56.76, just enter 57.

The crash cost of finishing any work is more than the typical cost. The cost of finishing work is…

Answered: Assume that the normal duration of…

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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How do i fully crash a critical path when given the following question. a) Fully crash the critical path taking the work package back to the shortest possible duration. You should thwith the activity with the lowest cost per unit crash time and progress to the activity with the highest cosp per unit crash time. Show the crash sequence of cost against time using suitable form of graphical representation. b) Summarize the main sources of duration estimating data used by organizations when assembling project schedules.
There are four activities on the critical path. Coincidentally, the variances for their durations are 16, 16, 16, and 16. The standard deviation of the duration for the critical path is: a.64 b.4 c.8 d.16 e.2
Consider the following activity description with associated cost data shown in Table 1. The cost data represents the total cost and should be considered linear with time. Table 1: Crash Cost Table Activity Immediate Predecessor Normal Duration (days) Normal Cost ($) Crash Duration (days) Crash Cost ($) A --- 5 50 3 150 B --- 4 40 2 200 C B 7 70 5 250 D A, C 2 20 1 50 E A, C 5 125 1 525 F B 10 80 7 290 G D 7 50 3 250 H E, F 6 60 3 180 Reduce the project duration to minimum duration and calculate the cost. 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.
In reference to the attached image and data below: Step A we learned: Critical Path = A, B, H, I, J; Project Time = 40 Weeks; Total Cost = 364,000 Step B we learned: To crash the critical path I would crash A by 1 week, B by 2 week, H by 2 week and C by 3 week. This would not alter the critical path, only the time line. Steps C we learned: Modeling uncertainty in activity times. In this case I would use the activity times and determine the Variances and the Standard Deviation. Using “best case” (x) and “worst case” (y) scenarios for activity times the formula’s would be (x-y)/6 and (x-y)^2/36. What are the final recommendations for this case?
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.)
A project consists of three tasks: A, B, and C. Task A is known to take five days forsure. Tasks B and C are each dependent on A. B takes five days. C takes seven dayswith a probability of 0.5 and three days with a probability of 0.5. What is the expectedcompletion time of the project?a. 8 daysb. 10 daysc. 11 daysd. 12 days
What is the definition of the latest completion time (LCT) of a project activity?a. LCT(Ai) = Max{LST(Aj) for which Ajis a successor of Ai}b. LCT(Ai) = Min{LST(Aj) for which Ajis a successor of Ai}c. LCT(Ai) = Max{LST(Aj) for which Ajis a predecessor of Ai}d. LCT(Ai) = Min{LST(Aj) for which Ajis a predecessor of Ai}
1.16 Given an auditing project with the following activities, please refer to the first pic find:(a) The probability of completing the critical path in  12 weeks (or less), as the client desires. (b) The probability of completing the critical path in  13 weeks (or less). c) The probability of completing the critical path in  16 weeks (or less), the client’s drop-dead date.(d) The number of weeks required to assure a 92.5 percent chance of completing the critical path, as guaranteed by the auditing firm.
Suppose the optimistic estimate for completing a particular task is 2 weeks, the pessimistic estimate is 38 days, and the most likely estimate is 20 days. The PERT weight average estimate to complete that task will be: 14 days 20 days 38 days 22 days
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
I also know answer is d, but please explain each and every option why other option are incorrect too. Which of the following statements regarding PERT analysis is true? Each activity has two estimates of its duration. Project variance is the sum of all activity variances. Project standard deviation is the sum of all critical activity standard deviations. Only critical activities contribute to the project variance. none of these is true.
Consider two projects that have the same activities and the same dependencies. In thefirst project, the activity times are expected outcomes. The actual times will vary. In thesecond project, the activity times are always as expected. Assuming the expected activitytimes are identical across the two projects, which project will be completed first?a. The firstb. The secondc. Cannot be determined

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Assume that the normal duration of activity A is 20 days and that it can be shortened to 14 for an added cost of $2600, the crash cost per day is,