Calculate the Standard Deviation of X for the Probability Distribution $$\begin{array} { | c | c | c | c | c | } \hline x & 2 & 4 & 5 & 3 \\\hline P ( X = x ) & 0.5 & 0.1 & 0.2 & 0.2 \\\hline\end{array}$$

question 73

Multiple Choice

Calculate the standard deviation of X for the probability distribution. $$\begin{array} { | c | c | c | c | c | } \hline x & 2 & 4 & 5 & 3 \\\hline P ( X = x ) & 0.5 & 0.1 & 0.2 & 0.2 \\\hline\end{array}$$ Round your answer to two decimal places if necessary.

• A)1.25
• B) 3
• C) 1.4
• D) 6
• E) 1.18

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