+4620 A survey was conducted regarding the number of automotive vehicles owned per household. The results of the survey are as follows: \(\begin{array}{c|c} \text{Vehicles}&\text{Households}\\ \hline 0&3\\ 1&9\\ 2&10\\ 3&2\\ 4&1\\ \end{array}\)Express the average number of vehicles per household as a decimal rounded to the nearest tenth.
