Determine whether the table represents a discrete probability distribution.
$\begin{array} { c c }
\hline x & P ( x ) \
\hline 3 & 0.3 \
4 & 0.05 \
5 & 0.45 \
6 & 0.2 \
\hline
\end{array}$

Question

Determine whether the table represents a discrete probability distribution.
 $\begin{array} { c c } 
\hline x & P ( x ) \
\hline 3 & 0.3 \
4 & 0.05 \
5 & 0.45 \
6 & 0.2 \
\hline
\end{array}$

Quizplus · Accepted Answer

The table represents a discrete probability distribution because the sum of all probabilities $P(x)$ is 1 ($0.3 + 0.05 + 0.45 + 0.2 = 1$) and each probability is between 0 and 1.

Determine Whether the Table Represents a Discrete Probability Distribution xP(x)30.340.0550.4560.2\begin{array} { c c } \hline x & P ( x ) \\\hline 3 & 0.3 \\4 & 0.05 \\5 & 0.45 \\6 & 0.2 \\\hline\end{array}x3456​P(x)0.30.050.450.2​​

Determine Whether the Table Represents a Discrete Probability Distribution $\begin{array} { c c } \hline x & P ( x ) \\\hline 3 & 0.3 \\4 & 0.05 \\5 & 0.45 \\6 & 0.2 \\\hline\end{array}$