Estimate the Variance for the Following Probability Distribution to Two $$\begin{array} { c | c c c c } x & 0 & 1 & 2 & 3 \\\hline \mathrm { P } ( x ) & 1 / 10 & 1 / 20 & 1 / 20 & 4 / 5\end{array}$$

question 79

Multiple Choice

Estimate the variance for the following probability distribution to two decimal places. $$\begin{array} { c | c c c c } x & 0 & 1 & 2 & 3 \\\hline \mathrm { P } ( x ) & 1 / 10 & 1 / 20 & 1 / 20 & 4 / 5\end{array}$$

• A) \(2.55\)
• B) \(0.95\)
• C) \(0.97\)
• D) \(0.90\)
• E)1.00

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