Calculate the Standard Deviation of X for the Probability Distribution

question 142

Multiple Choice

Calculate the standard deviation of X for the probability distribution. $$\begin{array} { | c | c | c | c | c | c | c | } \hline x & - 20 & - 13 & 1 & 13 & 20 & 25 \\\hline P ( X = x ) & 0.1 & 0.1 & 0.1 & 0.2 & 0 & 0.5 \\\hline\end{array}$$ Round your answer to two decimal places if necessary.

• A)261.69
• B) 162.19
• C) 1,757.64
• D) 11.9
• E) 16.18

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Definitions:

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Interest that has been incurred but not yet paid, often pertaining to bonds or loans.

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A fixed income instrument representing a loan made by an investor to a borrower, typically corporate or governmental.