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Probability-Distributions

Matthew Bognar

Category: Education
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Rankings updated

Price and ratings

Price
MX$39.00
Rating
4.9 out of 5
Ratings
193United States

Versions

Released
22 Jun 201412 years ago
Last update
2 days agoVersion 6.0.0
Requires
iOS 26.0 or later

Details

Size
7.1 MB
Languages
1
Website
—

Compute probabilities, determine percentiles, and plot the probability density function for the normal (Gaussian), t, chi-square, F, exponential, gamma, beta, log-normal, and Uniform distributions. Compute probabilities, approximate percentiles, and plot the probability mass function for the binomial, geometric (2 versions), hypergeometric, Poisson, and negative binomial (2 versions) distributions.

Countries2In 2 charts right now
Best rank now#17Mexico Paid · Education
Ratings, 7 days—Needs a week of rating history
Longest chart run1 dayMexico Paid · Education

Competitors

Full chart

Top of Paid · Education in Mexico. Probability-Distributions is #17 there. Changes are over 7 days.

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Store listing

How the app presents itself on the App Store. Select a screenshot to open it full size.

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What's new

Version 6.0.0 · 6 Oct 2026 · 2 days ago

Probability Distributions has been completely re-written for better stability, error checking, and graphics. It maintains the easy-to-use interface of the old version while being more attractive and responsive. App maintenance will be much more straightforward.

Current rankings

Every chart this app is in right now, best position first.

Probability-Distributions chart positions
ChartRank24 h7 daysBestDays on chart
Mexico· Paid · Education#17Change unknownChange unknown#171
United States· Paid · Education#66Change unknownChange unknown#661

Rank history

Higher on the chart is better: #1 is at the top.

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Ranking events

Entries, big moves, #1s and new versions we've recorded.

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Events appear as the app enters charts, moves 25+ places or ships a new version.