独立事件与公式p(b|a)=p(b)是否充要条件 理工学科数学
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6zxy+5zy+5xz+5xy<=2
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1<6zxy+5zy+5xz+5xy<=2
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绛旓細P(B|A)=P(AB)/P(B)=1 鍒橮(AB)=P(B)杩欐牱骞朵笉鑳芥帹鍑築鍖呭惈A鍟婏紝鑰屼笖鍦ˋ鍜孊鏄袱涓笉鐩稿共鐨鐙珛浜嬩欢鐨勬椂鍊欙紝濡傛灉A鏄繀鐒跺彂鐢熶簨浠讹紝杩欎釜寮忓瓙姘歌繙鎴愮珛锛屾瘮濡侫浜嬩欢鏄粖澶╂槸11鏈11鏃ワ紝B浜嬩欢鏄綘浠ュ悗鐢熺殑灏忓浼氭槸鐢峰锛岃繖涓狟浜嬩欢鍙戠敓鐨勬鐜囨槸0.5锛岃孉浜嬩欢鍙戠敓鐨勬鐜囨槸1 P(B|A)=1 ...
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绛旓細濡傚浘鍗充负绛旀
