Marine biologists tagged and released 50 marlin. Later, fishermen caught 300 marlin, 15 of which had tags. What is the estimate for the number of marlin in the population?
A) 5,000
B) 315
C) 365
D) 2,500
E) 1,000

Question

Quizplus · Accepted Answer

The proportion of tagged marlin in the sample (15 out of 300) should equal the proportion of tagged marlin in the entire population. Setting up the equation: 15/300 = 50/N, where N is the total population. Solving for N gives N = 1,000.

Marine Biologists Tagged and Released 50 Marlin