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# Catch a sample of the population (e.g. birds, whales, crickets)
# Count how many are in your sample (=A)
# Tag them all so that you will recognise them if you see them again # Let them go # Leave enough time for them to mix in with the rest of the population # Catch another sample of the population (=B)
# Count at how many are tagged from before (=T)
The population size is then estimated by calculating
A X B / T
(Amanda Burls)
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What is the formula to calculate size of a sample?
by using the capture-recapture method which gives you the total size of organisms in a population.
How do you calculate death rate?
You take the total number of deaths and divide it by the total population, then times that by 100 and you will get the total death rate.
How do you calculate the employment-population-ratio?
Number of people employed divided by total population tells you what percent of the population is employed. If you have 10,000 people and 9,500 of them have jobs, then 95% of the population is employed (9500 / 10000 = .95).
What is 4 plus 1.6 equals as a percentage?
The summation is 5.6 A percentage of what? You must give the total population to calculate 5.6 how much of it in percentage.
A bacteria doubles every 30 minutes how many after 24 hours?
That's a total of 48 doublings, so you calculate 248.That's a total of 48 doublings, so you calculate 248.That's a total of 48 doublings, so you calculate 248.That's a total of 48 doublings, so you calculate 248.
