Задание
Ниже приведено распределение дискретной случайной величины \(\displaystyle X\small.\)
Распределение \(\displaystyle X\)
| Значение \(\displaystyle X\) | \(\displaystyle -8\) | \(\displaystyle -5\) | \(\displaystyle -3\) | \(\displaystyle -1\) | \(\displaystyle 1\) | \(\displaystyle 3\) | \(\displaystyle 5\) | \(\displaystyle 8\) |
| \(\displaystyle P(X=x)\) | \(\displaystyle 0{,}15\) | \(\displaystyle 0{,}07\) | \(\displaystyle 0{,}05\) | \(\displaystyle 0{,}23\) | \(\displaystyle 0{,}23\) | \(\displaystyle 0{,}05\) | \(\displaystyle 0{,}07\) | \(\displaystyle 0{,}15\) |
Найдите математическое ожидание \(\displaystyle X\small.\)
\(\displaystyle E(X)=\)[ ]