Fréchet inequalities
= Fréchet inequalities
{c}
For events $A$ and $B$, the Fréchet inequalities are
$$
\max\{0,\mathbb P(A)+\mathbb P(B)-1\}
\leq\mathbb P(A\cap B)
\leq\min\{\mathbb P(A),\mathbb P(B)\}.
$$
= Fréchet inequalities
{c}
For events $A$ and $B$, the Fréchet inequalities are
$$
\max\{0,\mathbb P(A)+\mathbb P(B)-1\}
\leq\mathbb P(A\cap B)
\leq\min\{\mathbb P(A),\mathbb P(B)\}.
$$