Apparently, this user prefers to keep an air of mystery about them.
53 What's the probability that a sequence of coin flips never has twice as many heads as tails? Aug 27 '11
33 Why should we care about groups at all? Jan 28 '11
19 Obtaining irrational probabilities from fair coins? May 30 '11
15 Cutting a unit square into smaller squares Dec 19 '10
15 What is the expected value of the number of die rolls necessary to get a specific number? Jun 3 '11
13 Seating friends around a dinner table Dec 20 '10
13 Why does $a^n - b^n$ never divide $a^n + b^n$? Oct 11 '11