From Wikipedia, the free encyclopedia
聯合概率分佈(英文:joint probability distribution)係指一個同時描述緊多過一個變數嘅概率分佈;一個兩變數聯合概率分佈會有打橫嘅 X 軸 Y 軸以及打戙嘅 Z 軸,總共三條軸,X 軸 Y 軸分別描述嗰兩個變數 同 嘅數值,而 X 軸同 Y 軸成嘅平面當中每一點嘅高度(Z 值)反映咗「 係呢個數值而且同時 係呢個數值」嘅機會率。當變數有多過兩個嗰陣同一道理[1]。
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