If X has the following probability distribution
$$\begin{array} { l l l l l }
X & 1 & 2 & 3 & 4 \
P ( X ) & .1 & .5 & .2 & .2
\end{array}$$
Compute the expected value of X.

Question

If X has the following probability distribution
 $$\begin{array} { l l l l l } 
X & 1 & 2 & 3 & 4 \
P ( X ) & .1 & .5 & .2 & .2
\end{array}$$ 
Compute the expected value of X.

Quizplus · Accepted Answer

The Answer of If X has the following probability distribution
 $$\begin{array} { l l l l l } 
X & 1 & 2 & 3 & 4 \
P ( X ) & .1 & .5 & .2 & .2
\end{array}$$ 
Compute the expected value of X.

If X Has the Following Probability Distribution X1234P(X).1.5.2.2\begin{array} { l l l l l } X & 1 & 2 & 3 & 4 \\P ( X ) & .1 & .5 & .2 & .2\end{array}XP(X)​1.1​2.5​3.2​4.2​

If X Has the Following Probability Distribution $\begin{array} { l l l l l } X & 1 & 2 & 3 & 4 \\P ( X ) & .1 & .5 & .2 & .2\end{array}$