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Algebra 2 Statistics and probability

Expected value

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Question 1
180436

A random variable \(X\) has the probability distribution below. \[ \begin{array}{|c|c|c|c|c|} \hline \;x\; & 0 & 1 & 2 & 3 \\ \hline P(x) & 0.1 & 0.2 & 0.3 & 0.4 \\ \hline \end{array} \] Find the \(\textbf{expected value}\) \(E(X)\).

\(E(X) = \) 
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 (1 d.p) 1 mark

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