Calculate the Expected Value of X for the Given Probability $$\begin{array} { c c c c c } x & 1 & 2 & 3 & 4 \\P ( X = x ) & 0.4 & 0.2 & 0.2 & 0.2\end{array}$$

question 150

Short Answer

Calculate the expected value of X for the given probability distribution. $$\begin{array} { c c c c c } x & 1 & 2 & 3 & 4 \\P ( X = x ) & 0.4 & 0.2 & 0.2 & 0.2\end{array}$$ ​ $$E ( X ) =$$ __________

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