They asked a couple of concepts they care a lot about is conditional probability and strategies for games, as well as expected value.
Assistant Trader Interview Questions
8,656 assistant trader interview questions shared by candidates
Calculating expectations of dice rolls, making bets on games
Lots of team and individual games revolving around probability, both of known and unknown variables. Lots of testing on Bayesian probability.
Question 1 : We play a game with coins. Player 1 wins if HHT is before HTT. Player 2 wins if HTT is before HHT. Which one is more likely to win ? I choose to bet on HHH. Is there a 3-sequence that beat it ? Question 2 : 2 players : you (player 1) and an other player (player 2). You select a number between 1 and 100 and the one that tells the bigger number has to pay the lower number to the other player. The player 2 says a random number between 1 and 100. What is the optimal strategy ? A third player comes in the game. Now the bigger number has to pay to the 2 other players the number that each one has told. We suppose that the third player is smart. Which strategy to beat him ?
is a game fair? is a solution optimal?
General probability and statistics questions
Probability questions of various types.
Confidence interval of probability it will rain on a weekend
Per esempio la prossima data composta da tutte cifre diverse
4 players in a game, rolling dice. The one with the largest value and the one with the smallest value team up. The others team up as well. The winning team is the team with the biggest sum of the dice values. The payoff is the difference between the sums.
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