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...n = N/(1 + Ne^2) Example: Population size N = 60,000,000 Allowable margin of...mathematics classes) or we may have no idea about how a population is going to behave (such as polling...

... N(t) = N(0) e^kt , where N(0) is the initial population and k the growth rate When t=2, N(t)=600 600 = N(0) e^2k...

population of us in 1999 = 273.1, which is 34% increase from 1969 Let X = population of us in 1969 the equation is: X + .34 X = 273.1...

Given that this is a normal population , and you know the mean and standard deviation, we can solve this...what we're being asked (what proportion of the population is less than 41), so that is the answer to ...

Let UA be the population mean of time that people spent everyday watching television in...very strong evidence that there is indeed a difference between the population mean in 1980 and 1998. Hope it helps. I...

Hi, If x = population the previous year, then after a 12% increase, 1.12x = 44,800. This solves to x = 40,000, so the population the previous year was 40,000. I hope that helps!! :-)

The population P(t), t years after 2001, is given as: P(t... given that, in 2004, which is t = 3 years after 2001, the population is 5 million: P(3) = 2,000,000e^(3k) = 5,000,000 Solving...

It is not. If the population at time t is p(t) then the rate of growth is dp/dt = r(t) and therefore...