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【单选题】
设随机变量X的概率密度是【图片】，且【图片】，则a,b的值是 。A.
a=1,b=0.5
B.
a=0.5,b=1
C.
a=0.1,b=0.5
D.
a=1,b=5
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】对于截瘫的叙述正确的是 @font-face { font-family: 宋体;}@font-face { font-family: 黑体;}@font-face { font-family: "Cambria Math";}@font-face { font-family: 仿宋_GB2312;}@font-face { font-family: "@宋体";}@font-face ...
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A.
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B.
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C.
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D.
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A.
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B.
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C.
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D.
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E.
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