An activity has an optimistic time estimate of 2 days, a most likely estimate of 4 days, and a pessimistic estimate of 6 days. What is the PERT value? 3 days 8 days 6 days 4 days
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An activity has an optimistic time estimate of 2 days, a most likely estimate of 4 days, and a pessimistic estimate of 6 days. What is the PERT value? 3 days
8 days
6 days
4 days
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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 weeksThe 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 mistakeSsus and the management at yankee ltd. Want an expected time and variance for pest control activity and for that optimistic time was 2 weeks , pessimistic time was 8 weeks and most likely time is 4 weeks ?
- 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.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 7Follow 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.
- There are four activities on the critical path, and the standard deviations for their durations are 4, 6, 13, and 5 days. The standard deviation of the duration of the critical path is: a. 5.292 b. 28 c. 7 d. 15.68 e. 246Management 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.)Activity E has an optimistic time of 9 days, a most likely time of 12 days, and a pessimistic time of 15 days. Estimate its expected time and standard deviation.
- 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.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. 0.89Suppose we are using the CPM with three time estimates (PERT) to schedule a project. What is the variance of the length of the critical path, if there is a 92.22% probability that the project will be completed within the expected duration plus three time periods? Select the nearest correct answer. (HINT: Use the Z formula to find the value) a. 1.67 b. 2.34 c. 2.96 d. 3.19 e. 4.46