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Probability Corner
I like to solve probability puzzles sometimes. Here's a (probably incomplete) list of whatever I solved.
34 problems solved so far.
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
Contracts and Pricing III
ExpectationExponential DistributionOptions Pricing
Decreasing Uniform Chain
Order StatisticsRecord ValuesExpectation
Dice-Coin Paradigm
Conditional ProbabilityGeometric SeriesInfinite Series
Graph Search I
ExpectationCoupon Collector
Graph Search II
ExpectationCoupon Collector
Intersecting Chords
ExpectationCombinatorics
Local Maxima
Linearity of ExpectationSymmetryRecursion
Matching Die Trio
Combinatorics
Mean babysitter
Combinatorics
Modified RNG
Conditional ExpectationUniform Distribution
Multinomial Expansion
Combinatorics
Multinomial Sum
Combinatorics
Optimal Bidders I
ExpectationOrder StatisticsOptimization
Overlapping Subsets
Binomial DistributionGenerating FunctionsVariance
Particle Reach
Random WalksConditional Probability
Party Groups
ExpectationRecursionRandom PermutationsHarmonic Numbers
Pass the ball
Conditional ProbabilityMarkov Chains
Place or Take
ExpectationSeriesOptimization
Power Grid
Dynamic ProgrammingCombinatoricsTransfer Matrix Method
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
Take and Roll II
ExpectationMarkov ChainsGeometric DistributionOptimization
Differ by 2
ExpectationMarkov Chains
Exact 5 II
ExpectationGeometric Distribution