Dinesh

 25 How many bins do random numbers fill? 21 Proving $\sqrt{1-x^2}\ge \operatorname{erf}(\sqrt{-\log x})$ 18 Geometric interpretation of the multiplication of complex numbers? 15 Calculate variance from a stream of sample values 14 Choose a random number between $0$ and $1$ and record its value. Keep doing it until the sum of the numbers exceeds $1$. How many tries do we need?

### Reputation (2,279)

 +10 How many bins do random numbers fill? +10 Calculate variance from a stream of sample values +10 $Y \sim \mathrm{Uniform}(0,1)$, $[X|Y=y] \sim \mathrm{Uniform}(0,1/y).$ Find $f_X(x)$ +10 Geometric interpretation of the multiplication of complex numbers?

### Questions (3)

 37 Riemann zeta function at odd positive integers 7 Expressions unchanged by permuting the roots of a polynomial 4 Projection of a lattice onto a subspace

### Tags (41)

 76 probability × 14 24 inequality × 2 28 probability-theory × 5 22 convergence × 2 25 statistics × 3 22 sequences-and-series × 2 25 combinatorics 21 special-functions 25 discrete-mathematics 18 algorithms × 2

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