Random-Like Multiple Objective Decision Making

What are the random—like phenomena that can be found everywhere in real—life world? When carrying out a random sampling survey on the traffic situation, we often obtain some descriptive results such as approximately expedite, a little crowded and so on, therefore, the average level should be regarded as the random fuzzy phenomenon, which is one of the random—like phenomena. Decision makers usually need to make the decision for these problems with random—like phenomena. Which model should be...