Find the Standard Deviation of the Random Variable A) $2.95$ B) $1.06$

question 70

Multiple Choice

Find the standard deviation of the random variable.
-The random variable X is the number of people who have a college degree in a randomly selected group of four adults from a particular town. Its probability distribution is given in the table. Round
The answer to two decimal places. $\begin{array}{c|ccccc}\mathrm{x} & 0 & 1 & 2 & 3 & 4 \\\hline \mathrm{P}(\mathrm{X}=\mathrm{x}) & 0.0081 & 0.0756 & 0.2646 & 0.4116 & 0.2401\end{array}$

• A)\(2.95\)
• B) \(1.06\)
• C) \(0.92\)
• D) \(0.84\)

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