Calculate the Standard Deviation of X for the Probability Distribution $$\begin{array} { | c | c | c | c | c | } \hline x & 2 & 4 & 3 & 5 \\\hline P ( X = x ) & 0.3 & 0.1 & 0.2 & 0.4 \\\hline\end{array}$$

question 172

Short Answer

Calculate the standard deviation of X for the probability distribution. $$\begin{array} { | c | c | c | c | c | } \hline x & 2 & 4 & 3 & 5 \\\hline P ( X = x ) & 0.3 & 0.1 & 0.2 & 0.4 \\\hline\end{array}$$ ​
Round your answer to two decimal places.
​ $$\sigma =$$ __________

---

Definitions:

Unemployed Category

A classification for individuals who are without jobs and actively seeking work within the labor market.

Unpaid Workers

Individuals who contribute labor without receiving monetary compensation, often found in family businesses or volunteer services.

Unemployed Category

A classification for individuals who are capable of working but are not currently employed and are actively seeking employment.

Bureau of Labor Statistics

A U.S. government agency that collects, processes, analyzes, and disseminates essential statistical data on labor market activity, working conditions, and price changes in the economy.