The Accompanying Table Shows the Probability Distribution for X, the Number

Multiple Choice

The accompanying table shows the probability distribution for x, the number that shows up when a loaded die is rolled.
$$\begin{array} { | | c | c | } \hline x & P ( x ) \\\hline 1 & 0.14 \\\hline 2 & 0.16 \\\hline 3 & 0.12 \\\hline 4 & 0.14 \\\hline 5 & 0.13 \\\hline 6 & 0.31 \\\hline\end{array}$$

A) $\mu = 3.5$
B) $\mu = 3.9$
C) $\mu = 0.2$
D) $\mu = 3.8$