试题与答案

设随机变量X,Y相互独立且都服从区间[1,3]上的均匀分布,引进事件A=X≤a),B

题型:填空题

题目:

设随机变量X,Y相互独立且都服从区间[1,3]上的均匀分布,引进事件A=X≤a),B=Y>a,若

,则a=______.

答案:

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