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Compute the Mean of the Random Variable with the Given $\begin{array} { c l } \hline x & P ( x ) \\\hline 0 & 0.2 \\10 & 0.2 \\25 & 0.4 \\30 & 0.2 \\\hline\end{array}$

Question 9
Multiple Choice
Question 9
Multiple Choice

Compute the mean of the random variable with the given discrete probability distribution. $\begin{array} { c l } \hline x & P ( x ) \\\hline 0 & 0.2 \\10 & 0.2 \\25 & 0.4 \\30 & 0.2 \\\hline\end{array}$

A)16.25
B)11.2
C)126.0
D)18

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