Question

Marine biologists in the Gulf Coast completed a population sample for Orcinus orca, commonly known as the Orca whale. The researchers captured and tagged 28 whales, then released them. One month later, they captured 18 whales, 3 of which had a tag. Estimate the total population of Orcinus orca in the Gulf Coast.
a
168
b
55
c
252
d
250

Answer 1

i think the correct answer of this qusion is 55