8 The histogram shows information about the lengths, \(l\) centimetres, of a sample of worms of a certain species.
\includegraphics[max width=\textwidth, alt={}, center]{4c6b7c92-2fc9-4d4f-a199-8e70f34e5eed-5_904_1284_488_242}
The number of worms in the sample with lengths in the class \(3 \leqslant l < 4\) is 30 .
- Find the number of worms in the sample with lengths in the class \(0 \leqslant l < 2\).
- Find an estimate of the number of worms in the sample with lengths in the range \(4.5 \leqslant l < 5.5\).