Instruction 5.2
The following table contains the probability distribution for X = the number of traffic accidents reported in a day in Perth.
$$\begin{array} { | c | c | c | c | c | c | c | }
\hline X & 0 & 1 & 2 & 3 & 4 & 5 \
\hline & 0.1 & 0.2 & 0.4 & 0.1 & 0.0 & 0.0 \
P ( X ) & 0 & 0 & 5 & 5 & 5 & 5 \
\hline
\end{array}$$
-Referring to Instruction 5.2,the variance of the number of accidents is ______

Question

Instruction 5.2
The following table contains the probability distribution for X = the number of traffic accidents reported in a day in Perth.
 $$\begin{array} { | c | c | c | c | c | c | c | } 
\hline X & 0 & 1 & 2 & 3 & 4 & 5 \
\hline & 0.1 & 0.2 & 0.4 & 0.1 & 0.0 & 0.0 \
P ( X ) & 0 & 0 & 5 & 5 & 5 & 5 \
\hline
\end{array}$$
-Referring to Instruction 5.2,the variance of the number of accidents is ______

Quizplus · Accepted Answer

The Answer of Instruction 5.2
The following table contains the probability distribution for X = the number of traffic accidents reported in a day in Perth.
 $$\begin{array} { | c | c | c | c | c | c | c | } 
\hline X & 0 & 1 & 2 & 3 & 4 & 5 \
\hline & 0.1 & 0.2 & 0.4 & 0.1 & 0.0 & 0.0 \
P ( X ) & 0 & 0 & 5 & 5 & 5 & 5 \
\hline
\end{array}$$
-Referring to Instruction 5.2,the variance of the number of accidents is ______

Instruction 5 -Referring to Instruction 5