Ниже приведено распределение дискретной случайной величины \(\displaystyle X\small.\)

Распределение \(\displaystyle X\)

Значение \(\displaystyle X\)	\(\displaystyle -11\)	\(\displaystyle -7\)	\(\displaystyle -3\)	\(\displaystyle -2\)	\(\displaystyle 0\)	\(\displaystyle 2\)	\(\displaystyle 3\)	\(\displaystyle 7\)	\(\displaystyle 11\)
\(\displaystyle P(X=x)\)	\(\displaystyle 0{,}12\)	\(\displaystyle 0{,}18\)	\(\displaystyle 0{,}05\)	\(\displaystyle 0{,}05\)	\(\displaystyle 0{,}2\)	\(\displaystyle 0{,}05\)	\(\displaystyle 0{,}05\)	\(\displaystyle 0{,}18\)	\(\displaystyle 0{,}12\)

Найдите математическое ожидание \(\displaystyle X\small.\)

\(\displaystyle E(X)=\)[ ]