This & that

techniques for defining uncertain activity durations

When scheduling certain projects, it becomes quite difficult at times to assign realistic durations to certain key activities. In most of these cases, educated guesses based on previous experience can be used, but always being closely monitored. In a few projects, this method would not be acceptable for all activities, because of client or contract specifications, restrictions, or mandatory dates. For these uncertain activities there are several methods of quantifying durations. It is for these cases that this paper is presented.
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