#Probability

Tagged with “Probability”

28 calculators · 0 articles

Calculators and explainers tagged under Probability.

Calculators

Everyday Life / Time & Date

Birthday Paradox Calculator

Compute the probability that at least two people in a group share the same birthday, using the classic 1 − (365! / ((365...

basic

11,983 4.0 1 min

Statistics / Probability

Poisson Distribution Probability Calculator

Calculates Poisson probabilities: P(X=k) = e^(−λ)·λᵏ/k!, and the cumulative P(X≤k) by summing from 0 to k. Used for coun...

basic

11,479 4.0 1 min

Statistics / Probability

Expected Value Discrete Distribution Calculator

Calculates the expected value (mean) and variance of a discrete probability distribution from up to six outcome-probabil...

basic

9,921 3.9 1 min

Statistics / Probability

Sample Size Calculator

Work out how many respondents you need for a given confidence level, margin of error, and population size.

basic

9,614 4.0 1 min

Statistics / Probability

Poisson Approximation to Binomial Calculator

Approximates binomial probabilities using the Poisson distribution when n is large and p is small, with λ = n × p.

basic

8,698 4.7 1 min

Statistics / Probability

Z-score Calculator

Convert a raw value into a z-score using the mean and standard deviation of its distribution, and look up the correspond...

basic

6,437 4.9 1 min

Statistics

Hypergeometric Distribution Urn Model Calculator

Calculates the hypergeometric probability of drawing exactly k successes from a finite population without replacement.

basic

4,551 4.1 1 min

Other / Games

Coin Flip Probability Calculator

Compute the probability of exactly k heads (or any chosen number) in n independent fair-coin flips, using the binomial d...

basic

4,353 4.5 1 min

Statistics / Probability

Law of Total Probability Calculator

Calculates the total probability of event A using the law of total probability over three mutually exclusive partition e...

basic

4,346 4.6 1 min

Statistics / Probability

Bayes' Theorem Calculator

Compute the posterior probability P(A|B) from the prior P(A), the likelihood P(B|A), and the false-positive rate P(B|¬A)...

basic

1,988 4.1 1 min

« Previous
Next »

Showing 19 to 28 of 28 results

Articles

No articles have been tagged with this topic yet.

Best Free Calculator

Browse categories

Tagged with “Probability”

Calculators

Birthday Paradox Calculator

Poisson Distribution Probability Calculator

Expected Value Discrete Distribution Calculator

Sample Size Calculator

Poisson Approximation to Binomial Calculator

Z-score Calculator

Hypergeometric Distribution Urn Model Calculator

Coin Flip Probability Calculator

Law of Total Probability Calculator

Bayes' Theorem Calculator

Articles