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单词
markov inequality
释义
Markov inequality
Markov inequality
[
′mar‚kȯf ‚in·i′kwäl·əd·ē
]
(statistics)
If
x
is a random variable with probability
P
and expectation
E
, then, for any positive number
a
and positive number
n
P
(|
x
| ≥
a
) ≤
E
(|
x
|
n
/
a
n
).
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更新时间:2025/3/20 0:17:38