$$\begin{array}{l}
\text { Compute the mean of the random variable with the given discrete probability distribution. }\
\begin{array} { c c }
\hline x & P ( x ) \
\hline 0 & 0.45 \
15 & 0.05 \
20 & 0.5 \
30 & 0 \
\hline
\end{array}
\end{array}$$
A) 10.75
B) 9.8
C) 95.7
D) 16.25

Question

$$\begin{array}{l}
\text { Compute the mean of the random variable with the given discrete probability distribution. }\
\begin{array} { c c } 
\hline x & P ( x ) \
\hline 0 & 0.45 \
15 & 0.05 \
20 & 0.5 \
30 & 0 \
\hline
\end{array}
\end{array}$$
A) 10.75
B) 9.8
C) 95.7
D) 16.25

Quizplus · Accepted Answer

Mean = (0 * 0.45) + (15 * 0.05) + (20 * 0.5) + (30 * 0) = 10.75

A) 1075 B) 9

A) 1075
B) 9