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How many girls, how many boys?

April 30, 2010
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How many girls, how many boys?

I found this interesting question over here at mathoverflow.net. Here’s the question: If you have a country where every family will continue to have children until they get a boy, then they will stop. What is the proportion of boys to girls in the country. First off, there are some assumptions you need to make that aren’t

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R: more plotting fun, this time with the Poisson

April 21, 2010
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R: more plotting fun, this time with the Poisson

Click on image for a larger version. Here is the code: par(bg="black") par(mar=c(0,0,0,0)) plot(sort(rpois(10000,100))/rpois(10000,100),frame.plot=F,pch=20,col="blue")

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