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?
probs and stats, some basic and some hard ones
why do I want to join Jane street
linearity of expectation (lots of it)
Expectation value, game theory etc
they ask only probability questions.
All questions are about probability/game theory.
Probability and strategy problems. Related to the jane street interview handout which you can find online.
I recommend searching on math stack exchange.
Some questions about coin tosses. Like the probabilities of landing x heads in y tosses.
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