statistics
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Statistics
If you have a population of 1,000,000 people, how many to be sampled to give a representative profile with only a 5% point margin of error ?
asked by leslie on April 14, 2008 
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If you have a population of 3,000,000 people, how many to be sampled to give a representative profile with only a 5% point margin of error?
asked by leslie on April 14, 2008 
mass media
If you have a population of 1,000,000 people, how many to be sampled to give a representative profile with only a 5% point margin of error ?
asked by leslie on April 14, 2008 
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If you have a population of 500,000 people how many to be sampled to give a representative profile with only a 5% point margin of error ?
asked by leslie on April 14, 2008 
Math
What is the percent increase in the population for all six inhabited continents from 1950  2000? 1950 2000 N.America 221,000,000 305,000,000 S.America 111,000,000 515,000,000 Europe 392,000,000 510,000,000 Africa 229,000,000
asked by Anonymous on August 28, 2009 
math
im in sixth grade and im confused with this question.there are 44,000 people living in salem.(16,000~workers :2,000~preschoolers : 13,000~students : 4,000~retirees : 8,000~homemakers : 1,000~unemployed) *what fraction of the
asked by alicia on October 6, 2011 
Math
What was the percent increase in the population in South America from 1900 to 2000? in 1900 38,000,000 in 2000 515,000,000 I was thinking that I need to divide 515,000,000 by 38,000,000 which is 13.55% but I am not sure.
asked by Maggie on June 7, 2007 
Math
The population of a city has been decreasing exponentially since 1990. In 1990, the population was 1,000,000. In 2010, the population was 560,000. If t represents time in years since 1990, which of the following equations best
asked by Rayhan on February 6, 2017 
to ms.sue
the table below shows the approximate population for the 10 least populated countries in the world.use the data to estimate answers to the problem. vatican city 900 tuvalu 11,000 nauru 13,000 palau 20,000 san marino 28,000 manaco
asked by Celest on April 11, 2012 
Math
The population, in millions, of a city t years after 2000 is given by the function P(t) = 2.9  0.008t. Which statement is true? A. The population is increasing by 8,000 people per year. B. The population is decreasing by 8,000
asked by Zack on June 9, 2017