mixed strategy


mixed strategy

[¦mikst ′strad·ə·jē] (mathematics) A method of playing a matrix game in which the player attaches a probability weight to each of the possible options, the probability weights being nonnegative numbers whose sum is unity, and then operates a chance device that chooses among the options with probabilities equal to the corresponding weights. (statistics) A concept in game theory which allows a player more than one choice of action which is determined by a chance mechanism.