Question 199239
They caught and tagged 71 deer and released them back into the park.
 Later they selected a sample of 272 deer. Of the 272 deer, 16 were tagged.
 Assuming that the proportion of tagged deer in the sample holds for all deer
 in the forest, what is the best estimate of the number of deer in the park?
:
Use a ratio equation:
{{{16/71}}} = {{{272/x}}}
Cross multiply
16x = 71*272
16x = 19312
x = {{{19312/16}}}
x = 1207 deer, est 1200 deer in the park