If n friends go to a diner, and take a hat randomly...
98326
Why is the Derangement Probability so Close to $\frac{1}{e}$?
79601
Am I eligible for hats if I join a Stack Exchange site after the start of Winter-Bash?
111297
Question on the 'Hat check' problem
131365
Can we please hold the hats?
39080
What is the spectrum of $\hat x \hat p + \hat p \hat x$?
129170
Deriving the expectation of $[\hat X,\hat H]$
154057
Probability Math Question...?
124011
You observe k heads out of n tosses. Is the coin fair?
9644
Why didn't (or did) I or some other user get a hat although the requirements were (or weren't) fulfilled?
134792
If you toss $1000$ fair coins $10$ times each, what is the probability the *some* coin will get $10$ heads?
32216
Clock hands moving to take each others places.
135072
Winter Bash 2019 bugs with the "glasses with a number on top" hat and the "Philanthropist" hat
136513
Defender of the Realm hat broken, or just badly worded?
30026
Random weighted choice
11296
The Monty Hall problem
79341
Question on a probability question
65883
line of mathematicians guess their own hat color out of c colors