A gentleman farmer maniacally works on academic projects to raise funds for his true passion, farming
He has identified seven tasks and developed three time estimates (all in days) of the next big project on the farm, replacing the fence at the comedy pasture. Tasks, precedence requirements, and time estimates are shown in the table. What is the probability that the project is completed in 31 days?
Activity Optimistic time Most Likely time Pessimistic time Predecessor
Corner Posts 4 5 6 --
String Line 7 8 9 --
Dig Holes 10 12 14 Corner Posts
Plant Posts 11 14 17 String Line
Weld Top Bar 8 11 14 String Line
Paint 9 11 13 Dig Holes, Plant Posts
Tack Wire 9 12 16 Weld Top Bar
A) 0.055
B) 0.092
C) 0.125
D) 0.187
A
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