二维随机变量 Flashcards

1
Q

二维随机变量的联合分布函数是什么?有什么性质?

A
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2
Q

Eq. 二维随机变量的边缘分布函数是什么?

A
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3
Q

Eq. 二维随机变量的联合概率密度函数是什么?

A
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4
Q

Eq. 二维随机变量的边缘概率密度函数是什么?

A
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5
Q

Eq. 常见二维随机变量: 二维均匀分布模型是什么?

A
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6
Q

Eq. 常见二维随机变量: 二维正态分布模型是什么?

A
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7
Q

Eg. 求联合分布函数/边缘分布函数;联合概率密度/边缘概率密度的函数?

A
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8
Q

二维随机变量独立性有什么公式?

A
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9
Q

二维随机变量的条件概率有什么公式?

A
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10
Q

Eg. 求连续型二维随机变量的条件概率?

A
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11
Q

如何求二维随机变量的函数分布?

A
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12
Q

求二维随机变量的函数分布的卷积公式是什么?适用于什么条件?

A

条件:Z = X + Y

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13
Q

Eg. 求二维随机变量的函数分布?(可用卷积公式型)

A
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14
Q

Eg. 求二维随机变量的函数分布?(不能用卷积公式型)

A
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