Construction Planning and Management
In PERT analysis, the time estimates of activities and probability of their occurrence follow

Beta distribution curve
Normal distribution curve
Poisson's distribution curve
None of these

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Construction Planning and Management
Free float for any activity is defined as the difference between

its latest finish time and earliest start time for its successor activity
its earliest finish time and earliest start time for its successor activity
its latest start time and earliest start time
its earliest finish time and latest start time for its successor activity

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Construction Planning and Management
Batching refers to

Controlling the quantity of each material into each batch
Controlling the total quantity at each batch
Adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch
Weighing accurately, the quantity of each material for a job before mixing

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