Below is a probability model for the number of automobiles owned by a randomly chosen family in a large town. What is the mean number of automobiles owned? $$\begin{array} { l c c c c }
\text { Number of automobiles } & 0 & 1 & 2 & 3 \
\text { Probability } & 0.15 & 0.20 & 0.55 & 0.10
\end{array}$$

Question

Below is a probability model for the number of automobiles owned by a randomly chosen family in a large town. What is the mean number of automobiles owned? $$\begin{array} { l c c c c } 
\text { Number of automobiles } & 0 & 1 & 2 & 3 \
\text { Probability } & 0.15 & 0.20 & 0.55 & 0.10
\end{array}$$

Quizplus · Accepted Answer

The Answer of Below is a probability model for the number of automobiles owned by a randomly chosen family in a large town. What is the mean number of automobiles owned? $$\begin{array} { l c c c c } 
\text { Number of automobiles } & 0 & 1 & 2 & 3 \
\text { Probability } & 0.15 & 0.20 & 0.55 & 0.10
\end{array}$$