Solve the Problem A)096
B)1

Solve the problem.
-In a certain town, 40% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree. Find the standard deviation for the probability distribution. $$\begin{array} { c | c } \mathrm { x } & \mathrm { P } ( \mathrm { x } ) \\\hline 0 & 0.1296 \\\hline 1 & 0.3456 \\\hline 2 & 0.3456 \\\hline 3 & 0.1536 \\\hline 4 & 0.0256\end{array}$$

A) 0.96
B) 1.12
C) 1.88
D) 0.98

Correct Answer:

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