$f ( x ) = \left\{ \begin{array} { l l } \frac { 1 } { 6 } & \text { if } 2 \leq x \leq 8 \\0 & \text { otherwise }\end{array} \right.$

True/False

$f ( x ) = \left\{ \begin{array} { l l } \frac { 1 } { 6 } & \text { if } 2 \leq x \leq 8 \\0 & \text { otherwise }\end{array} \right.$ is a probability density function for a continuous random variable X. The expected value is 5.