Various betting games and confidence intervals
Quantitative Trader Interview Questions
1,133 quantitative trader interview questions shared by candidates
Suppose you have two urns that are indistinguishable from the outside. One of the urns contains 3 one-dollar coins and 7 ten-dollar coins. The other urn contains 5 one-dollar coins and 5 ten-dollar coins. Suppose you choose an urn at random and draw a coin from it at random. You find that it is a $10 coin. Now you are given the option to draw again (without replacing the first coin) from either the same urn or the other urn. Should you draw from the same urn or switch
Exercises with dice and probability questions on this
First two were straight forward coin flipping/dice rolling questions. The last two were slightly more difficult, asking you to provide an optimal strategy for playing in a game.
What is multicollinearity, how to deal with it
Difficult brainteaser that is hard to prepare for
Why are you interested in Citadel Securities?
What is the probability the coin is biased (always heads) given seeing 5 heads in a row
Expected Value of varying games on die rolls.
log normality and it’s relevance to BS, BS limitations, volatility skew
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