Apparently, this user prefers to keep an air of mystery about them.
2 A die is rolled. A coin is flipped four times. Find the probability that the number on the die is twice the number of heads from the coin flips. nov 20 '12
2 Probability a virus damages 800-850 files of 2400 files with an independent probability of 35%? nov 8 '12
2 Find integral from 1 to infinity of $1/(1+x^2)$ dec 8 '12
2 How to find normal plane at particular point? may 4 '13
1 Probability that repair work is being done by more efficient worker despite not being completed in average time? dec 13 '12
1 What is the probability that there are even more accidents on Friday then on Thursday given distribution independent of other days? dec 13 '12
1 Probability that the 10th class this semester is the 3rd class cancelled when chances are independent with 0.05 probability each day? dec 13 '12