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Probability Corner
I like to solve probability puzzles sometimes. Here's a (probably incomplete) list of whatever I solved.
Basketball Practice II
ExpectationConditional Expectation
Breaking Stick
ExpectationUniform DistributionIntegration
Chess Tournament I
Combinatorics
Comparing Flips II
Conditional ProbabilityMarkov Chains
Confused Ant II
ExpectationMarkov ChainsRandom Walks
Consecutive Tails
Combinatorics
Graph Search I
ExpectationCoupon Collector
Graph Search II
ExpectationCoupon Collector
Intersecting Chords
ExpectationCombinatorics
Matching Die Trio
Combinatorics
Mean babysitter
Combinatorics
Modified RNG
Conditional ExpectationUniform Distribution
Multinomial Expansion
Combinatorics
Multinomial Sum
Combinatorics
Optimal Bidders I
ExpectationOrder StatisticsOptimization
Particle Reach
Random WalksConditional Probability
Pass the ball
Conditional ProbabilityMarkov Chains
Place or Take
ExpectationSeriesOptimization
Random Angle II
Uniform DistributionIntegrationGeometric Probability
Random Ratio
Uniform DistributionIntegrationGeometric Probability
Russian Roulette I
Conditional Probability
Russian Roulette II
SeriesConditional Probability
Show the Face
ExpectationConditional ProbabilityMarkov ChainsGeometric Distribution
Square Cross
Uniform DistributionIntegrationGeometric Probability
Differ by 2
ExpectationMarkov Chains
Exact 5 II
ExpectationGeometric Distribution