a) Find the means and standard deviations of the activity times, assuming Beta distribution.. b) Draw an activity-on-arrow diagram for the project. c) Using the mean activity times (in weeks) from part (a), carry out the forward and the backward pass calculations. Identify the critical path (B-D-F). What is the expected length of the critical path?
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Consider the project described:
See attached file for the project
a) Find the means and standard deviations of the activity times, assuming Beta distribution..
b) Draw an activity-on-arrow diagram for the project.
c) Using the mean activity times (in weeks) from part (a), carry out the forward and the backward pass calculations. Identify the critical path (B-D-F). What is the expected length of the critical path?
d) Find the probability that the project will take: i) no more than 24 weeks ; ii) at least 25 weeks.
e) Find the range for the project completion time for which there is a probability of 0.72 of finishing the project during this time interval.
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Solution Summary
The expert finds the mean and standard deviation of activity times.
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a) Activity te
A 6 1.67
B 7 1.33
C 6 1.33
D 6 0.67
E 9 2
F 9 1.33
b) ...
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