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

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) $0.84$