Problems

1 – 22 of 22

Problem Title Likes Solvers Difficulty

Problem 2591. Does the coin touch the line?

Created by: Georges

Tags probability

Problem 1287. Unique dice configurations

Created by: James

Tags dice, probability

Problem 3056. Chess probability

Created by: Jean-Marie Sainthillier

Tags chess, elo

349

Problem 648. Cumulative probability of finding an unlikely combination

Created by: Doug Hull

Tags ml101

Problem 1267. Calculate the probability that at least two people in a group share the same birthday.

Created by: Jeremy

Tags probability

Problem 44277. Given n, create n random numbers such that their standard deviation is also n.

Created by: AMITAVA BISWAS

Tags linear algebra

Problem 1159. Coin Tossing: Probability of Same Heads for N tosses

Created by: Richard Zapor

Tags probability, nchoosek, coin

Problem 2356. Simulating the selection of a state with given probabilities

Created by: Omer

Tags random, probability, markov chain

Problem 43575. Probabilities - More brains than luck

Created by: Massimo Zanetti

Tags random guess, probabilities, test suite

Problem 1240. Coin change combinations.

Created by: Ken

Tags math

Problem 1272. The almost-birthday problem.

Created by: Claudio Gelmi

Tags probability, birthday

Problem 42670. If you prick us, do we not bleed?

Created by: James

Tags probability, halloween, be more careful

Problem 226. What are the odds?

Created by: Matt Fig

Tags math, probability

Problem 42503. Generating random matrix with given probability mass function

Created by: Peng Liu

Tags probability, monte carlo, random sampling

Problem 597. The Birthday Phenomenon

Created by: Ben Ausdenmoore

Tags probability, stats

152

Problem 1959. German tank problem

Created by: Alfonso Nieto-Castanon

Tags statistics, maximum likelihood, bayes

Problem 2995. Test Driven Solution - Probability Problem 1

Created by: Jonathan

Tags probability, test driven

Problem 44451. Rate of event occurence: find percentiles of the distribution (for smallish rates)

Created by: David Verrelli

Tags statistics, poisson distribution

Problem 44676. Mean = Standard Deviation

Created by: Mehmet OZC

Tags mean, statistics, standard deviation

Problem 44630. Guess the number I'm thinking of (Part 1)

Created by: David Verrelli

Tags random, probability, game theory

Problem 44288. Throwing Dice - Will You Be Eaten By The Dragon?

Created by: Erin

Tags dice, probability, games

Problem 44779. Don't be mean. Be nice!

Created by: James

Tags mean, nchoosek

1 – 22 of 22

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 2591. Does the coin touch the line?

Problem 1287. Unique dice configurations

Problem 3056. Chess probability

Problem 648. Cumulative probability of finding an unlikely combination

Problem 1267. Calculate the probability that at least two people in a group share the same birthday.

Problem 44277. Given n, create n random numbers such that their standard deviation is also n.

Problem 1159. Coin Tossing: Probability of Same Heads for N tosses

Problem 2356. Simulating the selection of a state with given probabilities

Problem 43575. Probabilities - More brains than luck

Problem 1240. Coin change combinations.

Problem 1272. The almost-birthday problem.

Problem 42670. If you prick us, do we not bleed?

Problem 226. What are the odds?

Problem 42503. Generating random matrix with given probability mass function

Problem 597. The Birthday Phenomenon

Problem 1959. German tank problem

Problem 2995. Test Driven Solution - Probability Problem 1

Problem 44451. Rate of event occurence: find percentiles of the distribution (for smallish rates)

Problem 44676. Mean = Standard Deviation

Problem 44630. Guess the number I'm thinking of (Part 1)

Problem 44288. Throwing Dice - Will You Be Eaten By The Dragon?

Problem 44779. Don't be mean. Be nice!