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Godchaser Godchaser
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Posts: 718
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6 years ago
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
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mizunoshiromizunoshiro
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#1
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6 years ago
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Godchaser Author
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#2
6 years ago
Honest answer, thx
Anonymous
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#3
7 months ago
Help! The answer is missing an explanation...
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