Probability and expected value of dice/cards.
Quantitative Trading Interview Questions
447 quantitative trading interview questions shared by candidates
Mostly based on basic ideas about probabilities, but quite hard to grasp unless you have the right intuition. One example: estimate probability of a certain outcome in a heads/tails game
Brain teasers
Probability based questions e.g. coin tossing, Markov chain (without mentioning the concept directly)
Various mock trading scenarios which make use of the ideas in the Probability and Markets Guide on their website (expected value, adverse selection etc).
expected value of rolling dice
Scenarios and games that had to be modelled
Smallest integer whose digits multiply to 108.
Maximize profit of a 100-sided dice game, where you pay £1 to reroll each time and earn what you roll if you wish to accept the number on the dice.
Expected payoff of the game, optimal strategy of playing the game etc.
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