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Douglas Zare

Apparently, this user prefers to keep an air of mystery about them.

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34 Simple probability question, balls and bins Apr 12 '11
26 How to express $(1+x+x^2+\cdots+x^m)^n$ as a power series? Mar 24 '11
20 Prove that $\lfloor \sqrt{p} \rfloor + \lfloor \sqrt{2p} \rfloor +…+ \lfloor \sqrt{\frac{p-1}{4}p} \rfloor = \frac{p^2 - 1}{12}$ Apr 4 '11
17 What does the symbol $\otimes$ mean? Apr 7 '11
13 A question about calculators (are $\sin^2 49^{\circ}$ and $\cos^2 49^{\circ}$ irrational?) Apr 11 '11
12 Intuitive idea of Expectation of random variable? Apr 2 '11
9 Expected value of fractional part is less than 1/2 Apr 6 '11
9 First exit time for Brownian motion without drift Apr 12 '11
8 what is wrong with this reasoning? Mar 21 '11
7 Continuous Collatz Conjecture Apr 2 '11
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