Top 50 Expected Value Interview Questions
The most frequently asked Expected Value questions across all roles and companies, ranked by real interview frequency. Updated daily.
Compute the expected waiting time to see two consecutive heads when flipping a fair coin.
Virtu Financial
Susquehanna International Group
AKUNA CAPITALCompute the mean and standard deviation of a dataset, and distinguish the sample standard deviation from the population version.
Markel
Professional Data Analysts
Arrow ElectronicsExplain the Central Limit Theorem, its assumptions, and when normal approximations break down in practice.
Disney Experiences Technology
U.S. Bank
Upstart NetworkCompute the probability that two fair six-sided dice add up to 9 by counting favorable outcomes over total outcomes.
CME Group
Sberbank
Citadel SecuritiesCompute the probability that the sum of two fair dice is greater than 8 by counting favorable outcomes.
Bloomberg
Santander
DeloitteWalk through the assumptions behind a linear regression model and how each one affects inference.
Aqr
XPO
Management SolutionsExplain why a statistically significant experiment result may still be too small to matter for product or business decisions.
Airwallex
Unum
Robert SlackUse worst-case reasoning to find the minimum number of sock draws needed to guarantee a matching pair.
Voloridge Investment ManagementSusquehanna International Group
Weiss Asset ManagementSign up to see every question
Create a free account to unlock this list and practice real interview questions.