Construction Planning and Management
Economic saving of time results by crashing

Costliest noncritical activity
Cheapest noncritical activity
Costliest critical activity
Cheapest critical activity

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Construction Planning and Management
If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then

expected time of both activities A and B are same
None of these
expected time of activity B is greater than the expected time of activity A
expected time of activity A is greater than the expected time of activity B

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