Find the expected value of a random variable X having the following probability distribution: $$\begin{array} { c c c c c }
x & 2 & 4 & 6 & 8 \
P ( X = x ) & \frac { 7 } { 20 } & \frac { 2 } { 20 } & \frac { 5 } { 20 } & \frac { 6 } { 20 }
\end{array}$$ $$E ( X ) =$$ __________

Question

Find the expected value of a random variable X having the following probability distribution: $$\begin{array} { c c c c c } 
x & 2 & 4 & 6 & 8 \
P ( X = x ) & \frac { 7 } { 20 } & \frac { 2 } { 20 } & \frac { 5 } { 20 } & \frac { 6 } { 20 }
\end{array}$$ ​ $$E ( X ) =$$ __________

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The Answer of Find the expected value of a random variable X having the following probability distribution: $$\begin{array} { c c c c c } 
x & 2 & 4 & 6 & 8 \
P ( X = x ) & \frac { 7 } { 20 } & \frac { 2 } { 20 } & \frac { 5 } { 20 } & \frac { 6 } { 20 }
\end{array}$$ ​ $$E ( X ) =$$ __________

Find the Expected Value of a Random Variable X Having