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* Estimate the number of piano tuners in Chicago if pianos can tune themselves using AI. Provide a 95% confidence interval.
-* We have a weighted coin which shows a head with probability p, (0.5<p<1). How do we get a fair toss from this? That is, how do we toss this coin in such a way that we can have probability of winning = loosing = 50%?
+* We have a weighted coin which shows a head with probability p, (0.5<p<1). How do we get a fair toss from this? That is, how do we toss this coin in such a way that we can have probability of winning = losing = 50%?
* Calculate the VaR of a portfolio whose returns follow a nowhere-differentiable function (e.g., Weierstrass curve) with Hausdorff dimension 1.5.