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user133281

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

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86 I roll a die repeatedly until I get 6, and then count the number of 3s I got. What's my expected number of 3s? Sep 6 '15
48 Can a solved Sudoku game have an invalid region if all rows and columns are valid? Jun 21 '17
32 Why does this test for Fibonacci work? Jan 12 '15
21 Writing integers as a product of as few elements of $\{\frac21, \frac32, \frac43, \frac54, \ldots\}$ as possible Apr 11 '18
20 Lebesgue integral of a positive function on a set of positive measure Jan 28 '15
18 Convergence of $\sum \frac{(2n)!}{n!n!}\frac{1}{4^n}$ Sep 29 '14
17 Mutually exclusive countable subsets of a countable set Oct 25 '15
14 I roll a die repeatedly until I get 6, and then count the number of 3s I got. What's my expected number of 3s? Sep 6 '15
13 Does there exist a finite group with orders of elements $1$, $2$, …, $8$ (but no elements of larger order)? Oct 23 '16
13 Can anyone help me with a graph: exponential but never reaches 1 Jun 15 '17
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