The toys in a sample of toyboxes were counted. The number of toys in each box are recorded below.

\begin{array}{|l|c|c|c|c|c|}
\hline \text { No. of toys } & 20 & 30 & 50 & 60 & 70 \\
\hline \text { No. of boxes } & 4 & 12 & 18 & 5 & 8 \\
\hline
\end{array}

a) What is the experimental probability of finding fewer than 60 toys in a toybox?

In 9400 toyboxes, how many toyboxes would you expect to contain:
b) exactly 30 toys?
c) at most 30 toys