Find the Expected Value of the Following Probability Distribution $$\begin{array} { c c c c c } x & 3 & 9 & 12 & 16 \\P ( X = x ) & 0.3 & 0.5 & 0.1 & 0.1\end{array}$$

question 37

Multiple Choice

Find the expected value of the following probability distribution. $$\begin{array} { c c c c c } x & 3 & 9 & 12 & 16 \\P ( X = x ) & 0.3 & 0.5 & 0.1 & 0.1\end{array}$$

• A)7.3
• B) 4
• C) 2.5
• D) 8.2
• E) 10

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