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| Tags | Companies | ||||
|---|---|---|---|---|---|
| First to Three | Probability | Medium | Expected ValueProbability | ||
| The Backtracking Frog | Probability | Hard | CombinatoricsProbability | ||
| Steps to Four | Probability | Easy | Combinatorics | ||
| Leveling the Playing Field | Probability | Easy | Discrete Random VariableProbability | ||
| Binary Beginnings and Endings | Probability | Easy | Combinatorics | ||
| A Range of Exactly Four | Probability | Medium | CombinatoricsProbability | ||
| Make Your Martingale | Pure Math | Easy | MartingalesProbability | ||
| Sizing Up the Dice | Probability | Easy | CombinatoricsProbability | ||
| Six-Shooter Speed | Brainteasers | Easy | Brainteasers | ||
| The Lucky Coin | Probability | Easy | Continuous Random VariableProbability | ||
| Ripples in the Pond | Pure Math | Easy | Calculus | ||
| The Last Green Ball | Probability | Easy | CombinatoricsProbability | ||
| The Rho of a Put | Finance | Easy | Arbitrage | ||
| The Limiting Geometric Mean | Probability | Medium | Continuous Random VariableProbability | ||
| The Price of Perpetuity | Finance | Easy | Calculus | ||
| Perfectly Angled Polygons | Brainteasers | Easy | BrainteasersCombinatorics | ||
| Alex's Great Escape | Probability | Medium | Expected ValueProbability | ||
| Variance of a Stochastic Integral | Pure Math | Medium | ProbabilityStochastic Calculus | ||
| Ants on a String | Brainteasers | Easy | BrainteasersLogic | ||
| The Bayesian Test-Taker | Probability | Easy | Probability | ||
| Rough Seas | Probability | Easy | Expected ValueProbability | ||
| Bacterial Bloom | Brainteasers | Easy | Brainteasers | ||
| Switching in the Dark | Brainteasers | Easy | BrainteasersLogic | ||
| The Blue and the Green | Probability | Easy | Discrete Random VariableProbability | ||
| Two Flips Max | Probability | Easy | Discrete Random VariableProbability | ||
| A Cubic Factorization | Brainteasers | Easy | Brainteasers | ||
| The Tightest Gap | Probability | Hard | Expected ValueProbability | ||
| Prime Triangles on a Circle | Brainteasers | Hard | BrainteasersCombinatorics | ||
| The Leaky Kiddie Pool | Brainteasers | Easy | Brainteasers | ||
| Grandpa's Century-Spanning Birthday | Brainteasers | Medium | BrainteasersLogic | ||
| Taylor's Seventh | Pure Math | Medium | Calculus | ||
| The Perfect Square Ceiling | Probability | Hard | Continuous Random VariableProbability | ||
| The Chevalier's Dilemma | Brainteasers | Medium | BrainteasersProbability | ||
| Ascending Rolls | Probability | Easy | CombinatoricsProbability | ||
| Shared Selections | Probability | Hard | CombinatoricsProbability | ||
| Cornering the Colors | Probability | Easy | CombinatoricsProbability | ||
| Keep on Rolling | Probability | Easy | Expected ValueProbability | ||
| Million Digit Dash | Brainteasers | Medium | BrainteasersCombinatorics | ||
| The Last Green Apple | Probability | Medium | Expected ValueProbability | ||
| No Triplets Allowed | Probability | Medium | Combinatorics | ||
| First Two or Double One | Probability | Medium | Markov ChainsProbability | ||
| Is Chuck-a-Luck Really Lucky? | Probability | Easy | Expected ValueGames | ||
| The Gift Shop Rush | Probability | Easy | Discrete Random VariableProbability | ||
| Bound on Covariance | Probability | Easy | Probability | ||
| The One-Redraw Dilemma | Probability | Easy | Expected ValueProbability | ||
| A Quick Ruin | Probability | Easy | Markov ChainsProbability | ||
| Tails in Twos | Probability | Medium | CombinatoricsProbability | ||
| Odd Hops to the Top | Probability | Medium | Combinatorics | ||
| The Ten-Sided Pig | Probability | Easy | GamesProbability | ||
| Brownian Motion's Integral Variance | Pure Math | Medium | ProbabilityStochastic Calculus |
