Bayes' Theorem Calculator6 options

Its Bayes Theorem Calculator lets users enter prior probability, sensitivity, and false-positive rate to compute posterior probability. The interface is straightforward and focused on conditional probability use cases such as diagnostic testing. The tool is freely accessible with no mandatory subscription.

6 options📈 Statistics

Average Rating Calculator6 options

Its Rating Calculator is designed specifically for 5-star review distributions. You input counts for 1-star through 5-star ratings and it calculates the weighted average rating, total votes, and related metrics like percentile. It is available as a free web tool with no required subscription for basic use.

6 options📈 Statistics

Random number generator5 options

Two free random number generators that work in user-defined min and max range. Both random integers and decimal numbers can be generated with high precision.

5 options📈 Statistics

Bertrand's Paradox4 options

This interactive GeoGebra activity demonstrates Bertrand's paradox using multiple random-chord generation methods. It lets users visually compare how different sampling assumptions produce different probabilities, making the paradox easy to explore for free in-browser.

4 options📈 Statistics

Beta Distribution Calculator5 options

This beta distribution generator and visualizer lets users set alpha and beta, generate samples, and view histogram/PDF output. It supports reproducible seeded mode and CSV/JSON/PNG export. The tool runs fully in-browser and is free to use.

5 options📈 Statistics

Probability Calculator3 options

This calculator can calculate the probability of two events, as well as that of a normal distribution. Also, learn more about different types of probabilities.

3 options📈 Statistics

Combination Calculator

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