SOLUTION: ST Paul Island in Alaska has 12 fur seal rookeries ( breeding place) .in 1961,to estimate the fur seal pup population in the Gorbath rookery,4963 fur seal pups were tagged in early

Question 402112: ST Paul Island in Alaska has 12 fur seal rookeries ( breeding place) .in 1961,to estimate the fur seal pup population in the Gorbath rookery,4963 fur seal pups were tagged in early August.In late August, a sample of 900 pups was observed and 218 of these were found to have been previously tagged. Estimate the total number of fur seal pups in this rookery.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
ST Paul Island in Alaska has 12 fur seal rookeries ( breeding place) .
in 1961, to estimate the fur seal pup population in the Gorbath rookery, 4963 fur
seal pups were tagged in early August.
In late August, a sample of 900 pups was observed and 218 of these were found to have been previously tagged.
Estimate the total number of fur seal pups in this rookery.
:
A ratio equation:
Let e = estimated number
:
=
Cross multiply
218e = 900 * 4963
:
218e = 4466700
:
e =
e = 20,489
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