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Operations research questions.

Operations research questions.

Find Operations research university examination questions in acaproso.com

# Question
1

Given the following data for a certain project.

    Time estimate (week)
Activity Predecessor a m b
A B 5 8 17
A C 7 10 13
B C 3 5 7
B D 1 3 5
C D 4 6 8
C E 3 3 3
D E 3 4 5
  1. Draw chart/ network diagram for the activities
  2. Determine the earliest and latest times at each node.
  3. Compute expected project completion time and variance for each activity.

Given  F_{t}=frac{a+4m+b}{6}   and v=(frac{b-v}{6})^{2}


Mathematical Calculation