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• Count to Probability

  This online calculator takes a list of events along with number of times the particular event occured and calculates the probability (and log probability) of each event by dividing event count to the total number of events.

• Geometric Distribution. Probability density function, cumulative distribution function, mean and variance

  This calculator calculates geometric distribution pdf, cdf, mean and variance for given parameters

• Hypergeometric Distribution. Probability density function, cumulative distribution function, mean and variance

  This calculator calculates hypergeometric distribution pdf, cdf, mean and variance for given parameters

• Mean, variance and standard deviation of discrete random variable

  This online calculator calculates mean, variance and standard deviation of random variable entered in the form of value-probability table

• Negative Binomial Distribution. Probability density function, cumulative distribution function, mean and variance

  This calculator calculates negative binomial distribution pdf, cdf, mean and variance for given parameters

• Poisson Distribution. Probability density function, cumulative distribution function, mean and variance

  This calculator calculates poisson distribution pdf, cdf, mean and variance for given parameters

• Probability Urn simulator

  This calculator simulates urn or box with colored balls often used for probability problems and can calculate probabilities of different events.

• Tips and tricks #8: How to reuse existing calculator

  This article describes process of reusing another calculator's logic (algorithm) in your calculator.

• Z-score from P-value

  This online calculator calculates z score from p value

• Bayes’ theorem

  This online calculator calculates posterior probabilities according to Bayes’ theorem.

• Bernoulli trials table

  This online calculator calculates probability of k success outcomes in n Bernoulli trials with given success event probability for each k from zero to n.

• Probability of given number success events in several Bernoulli trials

  Gives probability of k success outcomes in n Bernoulli trials with given success event probability.

• Shannon Entropy

  This online calculator computes Shannon entropy for a given event probability table and for a given message