Top 50 probability Interview Questions
The most frequently asked probability questions across all roles and companies, ranked by real interview frequency. Updated daily.
Count P wins, Q wins, and ties across all dice outcomes using sorting and binary search.
Cloud Big Data TechnologiesUse dynamic programming to calculate the probability of getting at least k heads from independent coin flips.
Compute the probability of rolling exactly k twos across n dice using dynamic programming.
Goldman SachsCompute Shannon entropy from a probability distribution using NumPy while handling zero-probability entries safely.
OpenAIBuild a max heap from scratch with array-based insertion and extract-max operations.
FlexportFind the earliest character appearing twice, using case-insensitive set lookup in one pass.
ChubbCalculate the probability that three independently directed ants collide while walking around a triangular Pine Labs device.
Pine LabsFind each array's second-largest distinct value and determine whether input numbers are powers of two in PostgreSQL.
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Separate two overlapping populations by estimating a boundary from labeled data.
Applied Materials