Hard Betting Game Rounds Interview Questions
If the standard betting game rounds set feels comfortable, this is the calibration check.
15 questions, all free to practise. The topics that come up most are random variables (6), probability (5), brainteasers (4), expected value (4).
- Covariance with a lognormal childHardConditional Probability & ExpectationRandom VariablesView →
- Cubes over the terminating denominatorsHardBrainteasersCalculusView →
- Expected chord between two random pointsHardProbabilityExpected ValueView →
- Expected flips for HHHHardExpected ValueStochastic ProcessesView →
- Hats in a lineHardBrainteasersView →
- Largest pairwise-coprime subset sumHardCombinatoricsBrainteasersView →
- Pairs left in the drawerHardCombinatoricsExpected ValueView →
- Prisoners and the light switchHardBrainteasersView →
- Range beats the midpointHardProbabilityRandom VariablesView →
- Ratio of two normalsHardRandom VariablesStatisticsView →
- Smallest card sharing a boxHardProbabilityExpected ValueView →
- Spread of a lognormal raised to the fourthHardRandom VariablesStatisticsView →
- The reroll advantage in a die duelHardProbabilityMarket Making & Betting GamesView →
- Two random segments overlappingHardProbabilityRandom VariablesView →
- Variance of the exponential of a gammaHardRandom VariablesStatisticsView →
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