1. If you have 100 chips, how can you split them into piles in order to maximize the product of the number of chips across all piles? 2. You are flipping four coins and you get $1 for the number of heads that show up. a) You are given the choice to reflip all 4 coins (once). What is your strategy? b) You can reflip all 4 coins as many times as you want, but you have to pay $1 to reflip each time. What is your strategy?
Basic probability questions -- they have a lot of information on their website about what to expect when you interview
probs and stats, some basic and some hard ones
Basic probability, emphasis on markov
why do I want to join Jane street
Probability game style questions, started easy and got hard
5 fair coins, the expect value of the square of medium value, etc.
Easy: If there are 8 people and they all shake hands with each other once, how many handshakes were there? If there are four couples in the 8 people that don't shake hands with each other, now how many handshakes are there?
linearity of expectation (lots of it)
Probabilities questions
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