what are critical activities and critical path and why are they important? Please give a practical example if available.

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

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

I need solve this question in project manager

Talk about the value of project scheduling and the challenges it presents. Talk about, describe, and define as necessary.

Suppose that you are assigned to a construction project which is planned to be build as early as possible. As a planning engineer you have to find the right sequence of activities in order to complete the project on time. Use Gantt (Bar) Chart and calculate total duration and determine the critical path of the project. Immediate Estimated Activity Predecessors Duration A 2 weeks A 4 weeks в 10 weeks D 6 weeks E 4 weeks S weeks 7 weeks 9 weeks 7 weeks 8 weeks 4 weeks E G D E, G F, I K 5 weeks 2 weeks 6 weeks м H N K, L Immediate Predecessor (Finish to Start) Construct Gantt Chart of the project.

need the answer using excel. thanks

Based on the case below, answer the following questions:The duration for the project is two year. Recall that PV is the planned value, EV is theearned value, AC is the actual cost, and BAC is the budget at completion.PV = 38,000EV = 40,000AC = 36,000BAC = 220,000(a) What is the Cost Variance (CV), Schedule Variance (SV), Cost Performance Index(CPI), and Schedule Performance Index (SPI) for the project?

A project consists of five activities listed below. The project network is shown for the activities. The critical path is B-C-E and the expected completion time is 8.     Optimistic Most Probable Pessimistic Activity Time (hr) Time (hr) Time (hr) A Floor sanding 3 4 5 B Paint mixing 0.5 1 1.5 C Ceiling painting 1 5.5 7 D Wall painting 1 2 9 E Floor buffing 1 2 3 What is the probability that the project can be completed within 9 hr.?

M2: prepare and update a project management plan, using standard systems of time and resource tracking. can the answer for above question include a Gantt chart of a construction project please?