OK, this is mind-blowing. At least, it was when I first encountered it. Here is the problem; Can you arrive at a fair decision using an unfair coin? Even though it seems absurd, it is possible!

# Fair decision, Unfair coin

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OK, this is mind-blowing. At least, it was when I first encountered it. Here is the problem; Can you arrive at a fair decision using an unfair coin? Even though it seems absurd, it is possible!

Happy π day! Celebrating this day, I present to you another way to calculate pi experimentally!

In the previous post, we discussed Buffon’s needle and how it can be used to approximate . Laplace studied a very similar problem. Actually, it’s the same concept, just adding something extra. Instead of having a table of parallel strips, we have a table of rectangles.

Have you ever heard of Buffon’s needle problem? This problem can be used to estimate pi and it goes like this; You have a table with parallel stripes. If I throw a needle on it, what is the probability of intersecting a stripe?