In a PERT network, the activity durations are given as (optimistic), (pessimistic) and (most likely time). What is the variance of is activity ?

In a PERT network, the activity durations are given as (optimistic),

1.	In a PERT network, the activity durations are given as (optimistic), (pessimistic) and (most likely time). What is the variance of is activity ?
A.	None of the above
Answer» D.

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In a PERT network, the activity durations are given as (optimistic), (pessimistic) and (most likely time). What is the variance of is activity ?

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