The Laurenster Corporation is getting into the construction business. A list of activities and their optimistic, most likely, and pessimistic completion times are given in the following table for the next construction project. ACTIVITY    DAYS    IMMEDIATE PREDECESSORS a    m    b A    3    6    9    — B    2    4    6    — C    1    2    3    — D    6    7    8    C E    2    4    6    B, D F    6    10    14    A, E G    1    2    6    A, E H    3    6    9    F I    10    11    12    G J    14    16    21    G K    2    8    11    H, I Develop a project network for this problem. Determine the expected duration and variance for each activity.

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The Laurenster Corporation is getting into the construction business. A list of activities and their optimistic, most likely, and pessimistic completion times are given in the following table for the next construction project.

ACTIVITY    DAYS    IMMEDIATE PREDECESSORS
a    m    b
A    3    6    9    —
B    2    4    6    —
C    1    2    3    —
D    6    7    8    C
E    2    4    6    B, D
F    6    10    14    A, E
G    1    2    6    A, E
H    3    6    9    F
I    10    11    12    G
J    14    16    21    G
K    2    8    11    H, I
Develop a project network for this problem.

Determine the expected duration and variance for each activity.

 

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