Determine the earliest and latest activity times, the expected completion time,
standard deviation and the probability that the project can be completed in 44
weeks or less.
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A commercial bank is planning to install a new computerized accounts system. Bank management has determined the activities required to complete the project, the precedence relationships of the activities, and activity time estimate as follows:
1. The activities needed for a new project your company is undertaking are listed in the following table. ACTIVITY IMMEDIATE PREDECESSOR(S) A ---- B ---- C A D A, B E B F C, D, E G D, E H F I F, G J G The activity times were determined for the project, and were as below. ACTIVITY ACTIVITY TIME (days) A 11 B 9 C 7 D 12 E 8 F 9 G 10 H 6 I 7...
The table below shows the output from a system that uses PERT for project scheduling. The project involves 12 interdependent activities and all times are reported in weeks. Based on the information provided, answer the following questions: IMMEDIATE EXPECTED ACTIVITY PREDECESSORS TIME EARLIEST EARLIEST LATEST LATEST START FINISH START FINISH 16 BNS lolos 12 4 31 28 43 32 10 6 38 D, J, K (a) What is the minimum expected time required to complete the project? (b) How is...
For the following project with times to complete activities in weeks: ActivityDepend on a m b 1 3 6 2 3 6 3 79 2 23 34 5 B,C (a) Calculate the expected time and variance for each activity. Draw the project network (AOA). Determine the critical path, expected completion time and variance. (b) Determine the probability of finishing the project in 14 weeks or less. (c) You want to tell the client you are 95% sure the project will...
HOMEWORK ASSIGNMENT FOR PROJECT MANAGEMENT 13. An automation project has the following activities and related data Time (weeks)Crash Immed. Maximum Activity Prede- Opti- Most Cost/week Crashable Mean Varice cessors mistic (a) Likely (m) mistic (c (S1000) Weeks E(t) V(t) C A 5 D A 4 E B1 F B1 G C,D,E 2 6 6 HF2 12 15 3 13a. (5 points) Compute the mean and variance of each activity and record them on the table above. 13b. (5 points) Develop...
project has four activities (A, B, C, and D) that must be performed sequentially. The probability distributions for the time required to complete each of the activities are as follows: Activity Time (weeks) Activity Probability A 0.29 0.30 10 0.28 11 0.13 0.24 4 0.53 6 0.23 12 0.12 0.20 14 0.35 16 18 0.15 20 0.18 6 0.69 0.31 a. Provide the base-case, worst-case, and best-case calculations for the time to complete the project. Worst case Best case Activity...
PERT Analysis: The following represents a project with four activities. All times are in weeks. Activity Immediate Predecessor Optimistic Time Most Likely Time Pessimistic Time A - 3 8 14 B - 8 8 8 C A 6 9 18 D B 6 11 17 According to the data in the above Table: What is the critical path? What is the minimum expected completion time for the project? According to the above Table, there are four activities in the project....
Problem 12-09 (Algorithmic) A project has four activities (A, B, C, and D) that must be performed sequentially. The probability distributions for the time required to complete each of the activities are as follows: Activity Activity Time (weeks) Probability A 6 0.29 7 0.38 8 0.27 9 0.06 B 3 0.21 5 0.53 7 0.26 C 6 0.06 8 0.26 10 0.37 12 0.22 14 0.09 D 11 0.63 13 0.37 Provide the base-case, worst-case, and best-case calculations for the...
Problem 12-09 (Algorithmic) A project has four activities (A, B, C, and D) that must be performed sequentially. The probability distributions for the time required to complete each of the activities are as follows: Activity Activity Time (weeks) Probability A 4 0.28 5 0.37 6 0.29 7 0.06 B 6 0.24 8 0.57 10 0.19 C 10 0.13 12 0.25 14 0.41 16 0.16 18 0.05 D 11 0.72 13 0.28 Provide the base-case, worst-case, and best-case calculations for the...
The estimated times and immediate predecessors for the activities in a project at ABC Retinal Scanning Company are given in the following table. Assume that the activity times are independent. Activity Immediate Predecessor a (time weeks) m (time weeks) b (time weeks) A - 9 10 11 B - 4 10 16 C A 9 10 11 D B 5 8 11 Calculate the expected time (mean) and variance for each activity, then answer the following: a. What is the...
A project has four activities (A, B, C, and D) that must be performed sequentially. The probability distributions for the time required to complete each of the activities are as follows: Activity Time (weeks) 5 Activity A Probability 0.30 6 0.35 7 0.26 8 0.09 B 6 0.21 8 0.53 10 0.26 с 5 0.09 7 0.27 9 0.40 11 0.19 13 0.05 D 6 0.66 8 0.34 a. Provide the base-case, worst-case, and best-case calculations for the time to...