Problem 9-12 (Algorithmic)Assume that the activity time estimates (in days) for the swimming pool construction project are as follows:AHFinishStartActivityOptimisticMost ProbablePessimisticA5712B5C37D31F47G1.86I711a. What are the critical activities? If necessary, round your answers to two decimal places. If your answer is zero, enter "0".ActivityExpected TimeVarianceABCFGIEarliestLatestEarliestLatestCriticalActivityStartStartFinishFinishSlackActivityABEFGHICritical Path:b. What is the expected time to complete the project? If necessary, round your answer to two decimal places.E(T) =daysc. Based only on critical path, what is the estimated probability that the project can be completed in 25 or fewer days?Variance =If necessary, round your answers to two decimal places.Using the normal distribution, z =If necessary, round your answers to two decimal places. If negative answer is required, enter the minus sign beforethe number.Probability of 25 days or less isIf necessary, round your answers to four decimal places. Note: Use Appendix B to identify the probability.%3D

Critical path and PERT analysis is a method to find the earliest possible completion time of the…

Answered: a. What are the critical activities? If…

Practical Management Science

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Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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-15) A project being analyzed by PERT has 60 activities, 13 of which are on the critical path. If the estimated time along the critical path is 214 days with a project variance of 100, what is the probability that the project will take less than 224 days to complete? A) near zero B) 0.0126 C) 0.1587 D) 0.8413 E) 2.14 22
Part 1: For the activities, duration, and sequence shown in the table below, prepare a Gantt chart with details. Activity Activity Description Depends Level Duration Code on (Day) 100 Inspect the machine after installation 300 4 200 Hire the operator None 25 300 Install the new machine 500,400 3 2 400 Insect and store the machine after 700 2 1 delivery 500 Hire labor to install the new machine None 1 20 600 Train the operator 200,300 4 3 700 Order and deliver the new machine None 30
Charlie Cook was able to determine the activity times for constructing his chemical contaminant tracking machine. Cook 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: Q Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A B C D 7 8 2 1 Charlie's earliest start (ES) and earliest finish (EF) are: A A Activity A EFGH ES EF 7 5 7 11 8 B B C, E D, F
A T= 4 T= 3 F T= 3 T= 3 D E G T= 1 T= 2 T= 2 The network diagram of a project along with the activity durations (T) is given in the figure. Which activities form one of the critical paths? @orsdemir. Copyrighted Content. Cannot be posted. CDEG O ABF О СВF O CF O None of these
Consider the network below, representing times taken for various activities in a large project. A. 20 B, 15. C, 25 D. 10 E, 25- G, 35 F, 51 K, 20 NH, 15 l J, 10 L, 40 M, 30 (a) It turns out that activity G also has activity B as an immediate predecessor. Insert a dummy activity in the appropriate place on the diagram. (b) Perform a forward scan to determine the earliest completion time for this project. (c) State the critical path for the project.
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.
Questions in red 15-16
William, a project manager, has a workload of 25,000 hours that needs to be completed in 30 weeks. He has a team of 20 people who work five 8-hour days per week. He notices that in the 30-week period, there are three holidays and 6 members have each requested 8 days off. Given this information, William is _____ short of completing his workload. Question options: 23,136 hours 1,864 hours 480 hours 1,480 hours 384 hours
c. Draw a Gantt chart for this project based on the earliest times
There are five activities on a project's critical path and they have standard deviations of 1, 1, 3, 5, 5 days. The standard deviation (in days) of the critical path is: OA. 8.8 OB.9.8 OC.7.8 OD.4.6 O.E. 10.2 OF, 10.6 W F2 A Moving to another question will save this response. #3 20 E F3 D $ 4 DOD 000 F4 R F % 5 F5 T G MacBook Air ^ 6 .... F6 Y & 7 H ◄◄ F7 U * ► 11 8 J F8 1 9 K F9 O ) 0 F10 « Question 30 of 42 > >> 4) F11 + 11 F12 delete DEB
Kelle Carpet and Trim installs carpet in commercial offices. Peter Kelle has been very concerned with the amount of time it took to complete several recent jobs. Some of his workers are very unreliable. A list of activities and their optimistic completion time, the most likely completion time, and the pessimistic completion time (all in days) for a new contract are given in the following table: Time (days) Activity a 3 5 3 4 1 2 7 TH 3 10 10 ABCD E F G H I K 61 525DE5 13 m Activity A 3 7 11 15 9 This exercise contains only part a. a) Based on the activity time estimates, the expected times and variance for each of the activities are: (Round your responses to two decimal places.) b 9 5 3 8 5 13 49127 13 Immediate Predecessor(s) Expected Time C B, D A, E A, E F G C H, I Variance
The accompanying table shows the activities, times, and sequences required: ACTIVITY IMMEDIATE PREDECESSOR TIME (WEEKS) A 3 B 2 C 4 4 6 6 DEFGHH I ✔A-C-F-G- ? A-B-E-I b. What is the critical path? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.) ? A-D-H- ? A-D-F-G- B ✓C c. Suppose you want to shorten the completion time as much as possible, and you have the option of shortening any or all of B. C, D. and G each one week. Which would you shorten? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.) ✔A-D-H- A A A B ? A-B-E-I C, D D, F D E, G, H d-1. What is the new critical path? (You may select more than one answer. Single click the box with the question mark to…

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