the richmond park gamekeeper wanted to know how many deer were in the park . he caught 90 of them and put a small tag round a hoof of each of them . He then let the deer go back into the park the next week, the gamekeeper caught 70 deer. 10 of the deer had a tag around their hooves a) using this information, what estimate did the gamekeeper make for how many deer were in the park? b) write down one assumption he made