To estimate the population size of crabs in a certain lagoon, traps were laid at random. 400 crabs were caught, marked and released back into the...

      

To estimate the population size of crabs in a certain lagoon, traps were laid at random. 400 crabs
were caught, marked and released back into the lagoon. Four days later, traps were laid again and
360 crabs were caught. Out of the 360crabs, 90 were found to have been marked

(i) Calculate the population size of the crabs in the lagoon
(ii) What is the name given to this method of estimating the population size

  

Answers


Kavungya
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Kavungya answered the question on June 15, 2019 at 07:13


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