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In the game of bridge mathematical probabilities play a significant role. Different declarer play strategies lead to success depending on the distribution of opponent's cards. To decide which strategy has highest likelihood of success, the declarer needs to have at least an elementary knowledge of probabilities. The tables below specify the various prior probabilities, i.e. the probabilities in the absence of any further information. During bidding and play, more information about the hands becomes available, allowing players to improve their probability estimates. ==Probability of suit distributions in two hidden hands== This table〔"Mathematical Tables" (Table 4). 〕 represents the different ways that two to thirteen particular cards may be distributed, or may ''lie'' or ''split'', between two unknown 13-card hands (before the bidding and play, or ''a priori''). The table also shows the number of combinations of particular cards that match any numerical split and the probabilities for each combination. These probabilities follow directly from the law of Vacant Places. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「bridge probabilities」の詳細全文を読む スポンサード リンク
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