From a Random Sample of 100 Cars, the Following Data

Short Answer

From a random sample of 100 cars, the following data on the number tires that need replacing was found:
$\begin{array}{|c|c|}\hline Number of Tires & Frequency \\\hline 0 & 10 \\\hline 1 & 25 \\\hline 2 & 42 \\\hline 3 & 19 \\\hline 4 & 4 \\\hline\end{array}$
Find the weighted mean.