Recent questions tagged probability

$$\begin{aligned}P(X=1)=P(X=2)=P(X=5)=P(X=7) &= \frac{1}{6} \\P(X=3)=P(X=4)=P(X=6)=P(X=8) &= \frac{1}{12}\end{aligned}$$What is the expected value $E[X]$?