Statistical intuition fails

Has your intuition ever failed you? Mine sometimes has (and I call myself a mathematician). In this post from my blog  J delta rho I relate one such case and what it means for traders.

I am ashamed to say that my statistical intuition has failed me. I was doing some brainteasers and came across this one here :

In a country in which people only want boys every family continues to have children until they have a boy. If they have a girl, they have another child. If they have a boy, they stop. What is the proportion of boys to girls in the country?

read more here.

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