Four kids in a room of different height. What are the chances they will be in equal order?
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You and I throw a coin 3 times. What is the probability that we get the same number of heads
How likely will you accept the offer compared with other companies?
I can be a bit of an *******. How do you work with that?
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throwing a dice until the face 6 comes up two times, what is the expected stopping time
If implied volatility is lower than realized, how does one make money hedging a call option?
draw random variables from uniform distribution[0,1], stop when the sum exeed one. what's the expectation of the sum?
which has higher probability? 1. roll a dye twice, get two 6 2. roll a dye ten times, never get a 6
How many people in a group so that at least two of them have a birthday on the same month?
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