Chebyshev inequality
= Chebyshev inequality
{c}
{wiki}
= Chebyshev's inequality
{c}
{synonym}
For a random variable $X$ of finite variance and $a>0$,
$$
\mathbb P(|X-\mathbb EX|\geq a)
\leq\frac{\operatorname{var}(X)}{a^2}.
$$
= Chebyshev inequality
{c}
{wiki}
= Chebyshev's inequality
{c}
{synonym}
For a random variable $X$ of finite variance and $a>0$,
$$
\mathbb P(|X-\mathbb EX|\geq a)
\leq\frac{\operatorname{var}(X)}{a^2}.
$$