O5: Coasider the following table summarizing the details of a project: Activity Predecessorts) Duration (weeks) Most Ukely time Optimistic time Pessimistic time 10 4 2 14 D. A 3 B.C 4 D 2 2 E.G 6 8 10 (a) Construct the project network (b) Find the expected duration and variance of each activity. (c) Find the critical patb and the expected project completion time. (d) What is the probability of completing the project on or before 20 weeks'? (e) If the probability of completing the project is 0.85, find the expected project completion time.

O5: Coasider the following table summarizing the details of a project: Activity Predecessorts) Duration (weeks) Most Ukely time Optimistic time Pessimistic time 10 4 2 14 D. A 3 B.C 4 D 2 2 E.G 6 8 10 (a) Construct the project network (b) Find the expected duration and variance of each activity. (c) Find the critical patb and the expected project completion time. (d) What is the probability of completing the project on or before 20 weeks'? (e) If the probability of completing the project is 0.85, find the expected project completion time.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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ACTIVITY (NODES) IMMEDIATE DURATION (DAYS) A 25 15 A 20 D 20 31 A 17 43 D, E 55 A 25 J 10 K F,I,.G,J 15 FIND: 1. DRAW THE ACTIVITIES USING ARROW NETWORK. 2. CALCULATE AND DRAW THE CRITICAL PATH, EARLIEST START, EARLIEST FINISH, LATEST START, LATEST FINISH, AND ACTIVITY SLACK. 3. TABULATE NODES (ACTIVITIES), DURATION, ES, LS, AND SLACK
Q3/The figure below shows the arrow diagram of the major events (A, B, C, D, E, F, G) of project, where each of them has the three estimates of duration (optimistic OP, most likely ML, pessimistic PE). Plan the project using PERT method and then answer the following questions: В (1,2,3) F(6,10,12) E(1,9,11) 2 C(2,3,1Q)/ 3 (3,5,15) D G. (2,4,6) (1,2.9) 1) What is the probability that the project will be completed by 23.5 weeks? 2) What is the project duration that corresponds to a probability of 56%?
Instructions. For the given data, provide the following. Complete Network Diagram highlighting the critical path and showing ES, LS, EF, LF Identify the paths, their duration and slack Provide the table showing ES, LS, EF, LF. TF. FF and remarks. Given: A, B, and Care starting activities D follows A while E follows C B. D and E precede J Kand F cannot start until B, D and E are completed • G follows C and precedes H and I H and I cannot proceed until Fis completed Lfollows K and precedes N • J precedes P, M and S H. I. and P must be completed before Q can start Land M must be completed before N can start O follows N while R follows Q R,O and S are ending activities Dummy activity x is provided after activity I NORMAL TIME ACTIVITY ES LS EF LF TF FF REMARKS 12 5n 3. 4. 10 M. 6. 3.
In the following table, a part of a project, for which the time period for each activity is specified, find the time required to complete the project using the network diagram by Act. on arrows. Activity A B D G H I Time Followed by Preceded by B.C 23573625 G.F D.F E I I H I A A C B.C DBG H.E.F
). The network and durations given below show the normal schedule for a project, and the table given below summarizes the time-cost information for the activities, the owner wants to finish the project in 110 days, so find the minimum possible cost for the project to finish in 110 days AND 20 A B C D (19) E F 9. Activity (days) 120 20 40 30 50 60 Normal du 120 60 Crash (days) 100 15 30 20 40 45 30 on 4 50 Norma Cost 12000 1800 16000 1400 3600 13500 Cost 14000 2800 22000 2000 4800 18000
Question 4: Determine the amount of time in weeks that gives a probability of 97.5% until the seventh event in the following grid, and then find the following: What is the probability of completing the project with a period less than TE by 4 weeks What is the probability of completing the project with a period of more than TE by 2 weeks Act. 1-2 2-3 2-5 2-4 3-4 3-7 5-6 6-7 4-7 0 8 4 7 7 4 7 10 10 4 M 10 5 8 9 6 8 14 14 5 24 12 21 11 8 15 24 24 12
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QI: For the activities shown in the table below, find the total duration (T D) and critical paths (C P) using Activity On Node method (A O N). Activity ABCDREFG HI J K L M Duration 3 4 7 45 11 8 3 4 2 1 3 59 Proceeded --- A ABCCEGRRHIK by JL
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Q2: Consider the following table summarizing the details of a project: Duration (weeks) Most likely time Activity Predecessor(s) Optimistic time 4. Pessimistic time 4. 10 B 9. C. 5. 14 1 4. F 1 2 6. В.С C 1 H. 4. 4 E,G 6. (a) Construct the project network. (b) Find the expected duration and variance of each activity. (c) Find the critical path and the expected project completion time. (d) What is the probability of completing the project on or before 25 weeks'? (e) If the probability of completing the project is 0.90, find the expected project completion time. 39
I need to solve the claims A, B, c, d and e