Refer to the following table showing the probability distribution of payoffs from an activity to answer the question below: $$\begin{array} { c c c }
\text { Units } & \text { Payoff } & \text { Prabability } \
\hline 1 & \$ 30 & 10 \% \
\mathbf { 2 } & 40 & 25 \% \
3 & 60 & 30 \% \
4 & 50 & 20 \% \
5 & 10 & 15 \% \
\hline
\end{array}$$ What is the variance of the distribution?
A)136.4
B)278.8
C)18.6
D)346.4
E)162.3

Question

Refer to the following table showing the probability distribution of payoffs from an activity to answer the question below: $$\begin{array} { c c c } 
\text { Units } & \text { Payoff } & \text { Prabability } \
\hline 1 & \$ 30 & 10 \% \
\mathbf { 2 } & 40 & 25 \% \
3 & 60 & 30 \% \
4 & 50 & 20 \% \
5 & 10 & 15 \% \
\hline
\end{array}$$ What is the variance of the distribution?
A)136.4
B)278.8
C)18.6
D)346.4
E)162.3

Quizplus · Accepted Answer

The Answer of Refer to the following table showing the probability distribution of payoffs from an activity to answer the question below: $$\begin{array} { c c c } 
\text { Units } & \text { Payoff } & \text { Prabability } \
\hline 1 & \$ 30 & 10 \% \
\mathbf { 2 } & 40 & 25 \% \
3 & 60 & 30 \% \
4 & 50 & 20 \% \
5 & 10 & 15 \% \
\hline
\end{array}$$ What is the variance of the distribution?
A)136.4
B)278.8
C)18.6
D)346.4
E)162.3

Refer to the Following Table Showing the Probability Distribution of Payoffs