34 Answered Questions for the topic Population

Population Ecology Evolution

04/03/16

Population Growth Rate Problem: Researchers want to estimate the population size of Blanding’s turtle in Illinois
Researchers want to estimate the population size of Blanding’s turtle in Illinois. If they caught and marked 14 individuals on the first count, and 20 individuals on the second count, how many... more
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03/29/16

Statistics question: When 435 college students were surveyed,120 said they visited Instagram today.
When 435 college students were surveyed,120 said they visited Instagram today. Find a point estimate for p, the population proportion of college students who did not visit Instagram... more
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03/29/16

Statistics question: A random sample of 40 statistics students had an average test grade of 81.5
A random sample of 40 statistics students had an average test grade of 81.5 and a standard deviation of 10.2. Construct the confidence interval for the population mean, μ if c = 0.90.   The... more
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01/19/16

What was the total income of everyone in the United States?
In 2003 the population of the Unites States was 291 million people. The per-capita income was $31,459. What was the total income of everyone in the United States? Express you answer in scientific... more
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12/02/15

Short 3 part question
The population P of a city has been increasing at an annual rate of 2.3%. It's population was 150 million in 2008 and P is in millions. a. Use the pert general formula to create a specific formula... more
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Population Precalculus Formula

09/28/15

Help on Precalculus question!!
A population is 25,000 in year t = 0 and grows at a continuous rate of 7.5% per year. Find a formula for P(t), the population in year t
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09/27/15

Word Problem help
A population is 25,000 in year t = 0 and grows at a continuous rate of 7.5% per year. Find a formula for P(t), the population in year t
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Population

04/07/15

I need help
The government of Mexico declared blue sharks an endangered species they put tags on 36 blue sharks and released them later the corral 130 blue sharks among those blue sharks 20 were tagged
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Population

07/23/14

Population growth rate
From 2010 to 2013, big ol Texas had a population growth rate of 5.18%, starting with a massive 25,145,561 earthlings! On the other hand, California had a population of 37,253,956 in 2010 and grew... more
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