Determine whether the following is a probability distribution. If not, identify the requirement that is not satisfied.
-In a certain town, 50% 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.
$$\begin{array} { r | r }
\mathrm { x } & \mathrm { P } ( \mathrm { x } ) \
\hline 0 & 0.0625 \
1 & 0.2500 \
2 & 0.3750 \
3 & 0.2500 \
4 & 0.0625
\end{array}$$

Question

Determine whether the following is a probability distribution. If not, identify the requirement that is not satisfied.
-In a certain town, 50% 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.
 $$\begin{array} { r | r } 
\mathrm { x } & \mathrm { P } ( \mathrm { x } ) \
\hline 0 & 0.0625 \
1 & 0.2500 \
2 & 0.3750 \
3 & 0.2500 \
4 & 0.0625
\end{array}$$

Quizplus · Accepted Answer

The Answer of Determine whether the following is a probability distribution. If not, identify the requirement that is not satisfied.
-In a certain town, 50% 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.
 $$\begin{array} { r | r } 
\mathrm { x } & \mathrm { P } ( \mathrm { x } ) \
\hline 0 & 0.0625 \
1 & 0.2500 \
2 & 0.3750 \
3 & 0.2500 \
4 & 0.0625
\end{array}$$

Determine Whether the Following Is a Probability Distribution