Probability & Stats

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Problem Title	Likes	Solvers
Problem 44779. Don't be mean. Be nice! Created by: James Tags mean, nchoosek	2	31
Problem 597. The Birthday Phenomenon Created by: Ben Ausdenmoore Tags probability, stats	6	213
Problem 1267. Calculate the probability that at least two people in a group share the same birthday. Created by: Jeremy Tags probability	4	94
Problem 1272. The almost-birthday problem. Created by: Claudio Gelmi Tags probability, birthday	1	24
Problem 1159. Coin Tossing: Probability of Same Heads for N tosses Created by: Richard Zapor Tags probability, nchoosek, coin	1	48
Problem 2591. Does the coin touch the line? Created by: Georges Tags probability	3	38
Problem 1240. Coin change combinations. Created by: Ken Tags math	4	47
Problem 1268. Penny flipping - calculate winning probability (easy) Created by: Jeremy Tags easy, matlab, probability	4	183
Problem 1959. German tank problem Created by: Alfonso Nieto-Castanon Tags statistics, maximum likelihood, bayes	4	31
Problem 1287. Unique dice configurations Created by: James Tags dice, probability	3	28
Problem 44288. Throwing Dice - Will You Be Eaten By The Dragon? Created by: Erin Tags dice, probability, games	10	133
Problem 2770. Probability of Choosing a Red Ball Created by: Kevin Tags probability, puzzle	1	62
Problem 226. What are the odds? Created by: Matt Fig Tags math, probability	2	26
Problem 2356. Simulating the selection of a state with given probabilities Created by: Omer Tags random, probability, markov chain	2	26
Problem 42503. Generating random matrix with given probability mass function Created by: Peng Liu Tags probability, monte carlo, random sampling	2	61
Problem 42670. If you prick us, do we not bleed? Created by: James Tags probability, halloween, be more careful	1	22
Problem 2995. Test Driven Solution - Probability Problem 1 Created by: Jonathan Tags probability, test driven	1	16
Problem 3006. Test Driven Solution - Probability Problem 2 Created by: Jonathan Tags probability, test driven	1	13
Problem 3009. Test Driven Solution - Probability Problem 3 Created by: Jonathan Tags probability, test driven	2	10
Problem 43575. Probabilities - More brains than luck Created by: Massimo Zanetti Tags random guess, probabilities, test suite	1	16
Problem 331. Compute Area from Fixed Sum Cumulative Probability Created by: Roger Stafford Tags probability, cdf, density	1	4
Problem 44254. Probability of red tulips (at both ends of a row) Created by: Noriko Hounoki Tags probability	2	58
Problem 648. Cumulative probability of finding an unlikely combination Created by: Doug Hull Tags ml101	2	32
Problem 3056. Chess probability Created by: Jean-Marie Sainthillier Tags chess, elo	6	575
Problem 44630. Guess the number I'm thinking of (Part 1) Created by: David Verrelli Tags random, probability, game theory	13	50
Problem 42485. Eliminate Outliers Using Interquartile Range Created by: Monica Roberts Tags outlier	3	26
Problem 42676. Histogram of histogram Created by: Peng Liu Tags matrix manipulation, histogram	1	13
Problem 44277. Given n, create n random numbers such that their standard deviation is also n. Created by: AMITAVA BISWAS Tags linear algebra	4	132
Problem 44676. Mean = Standard Deviation Created by: Mehmet OZC Tags mean, statistics, standard deviation	4	7
Problem 44451. Rate of event occurence: find percentiles of the distribution (for smallish rates) Created by: David Verrelli Tags statistics, poisson distribution	2	11

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Recent Activity

	Marco Riani submitted Solution 14570561 to Problem 1267. Calculate the probability that at least two people in a group share the same birthday. on 8 Mar 2025 at 13:19
	Wayne submitted Solution 14503883 to Problem 1959. German tank problem on 19 Dec 2024
	Franco Zapata submitted Solution 14457351 to Problem 1959. German tank problem on 10 Dec 2024
	Bruce submitted Solution 14399432 to Problem 1240. Coin change combinations. on 19 Nov 2024
	Shreyas submitted Solution 14398724 to Problem 44254. Probability of red tulips (at both ends of a row) on 19 Nov 2024

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