The correct answer is D. All of these.
Probabilistic estimating is a method of estimating the time and cost of a construction project by considering the probability of different events occurring. This includes factors such as labour productivity, wage scale, and the availability of materials and equipment.
Labour productivity is the amount of work that can be done by a worker in a given amount of time. It is affected by factors such as the skill level of the worker, the complexity of the task, and the working conditions.
Wage scale is the rate of pay for a
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