About Probability Distributions
Continuous probability distributions: - Normal (Gaussian) - t (Student's t) - Chi-Squared - F - Exponential - Gamma - Beta - Log-normal - Weibull - Uniform Discrete probability distributions
Continuous probability distributions:
- Normal (Gaussian)
- t (Student's t)
- Chi-Squared
- F
- Exponential
- Gamma
- Beta
- Log-normal
- Weibull
- Uniform
Discrete probability distributions:
- Binomial
- Poisson
- Pascal (Negative Binomial)
- Geometric
- Hypergeometric
- Discrete Uniform
You can now calculate confidence intervals for "Both", "Middle", "Lower" and "Upper" tails. For example, if you want to find the 95% confidence interval of a Normal Distribution:
1. first select "Normal" distribution and select "Middle"
2. then enter "0.95" on the right side of the probability values
3. From and to values will be automatically calculated for you (-1.96, 1.96 in this case)
Help test the beta version of iOS app https://testflight.apple.com/join/eC4zBt6z
If you like the app, your review ❤️ and 5-⭐s are highly appreciated. Thank you!
Previous Versions
Here you can find the changelog of Probability Distributions since it was posted on our website on 2020-11-23 21:44:56.
The latest version is 2.40 and it was updated on 2024-04-22 14:54:48. See below the changes in each version.
Probability Distributions version 2.40
Updated At: 2024-01-22
Changes: The user interface was flipped from right to left when the system language is a right to left language. This release prevents flipping since the app only supports English language.
Probability Distributions version 2.39
Updated At: 2023-11-06
Changes: Introduces Gumbel Distribution
Probability Distributions version 2.38
Updated At: 2023-10-11
Changes: This release fixes a very rare crash on scroll that was happening on some devices.
Probability Distributions version 2.37
Updated At: 2023-09-28
Changes: Introduces an alternative parameterization for the gamma distribution. Minor cleanups for weibull and gamma parameterizations.
Probability Distributions version 2.34
Updated At: 2023-09-24
Changes: This release introduces "Triangular" and "Pareto" distributions, also includes a new way to represent alternative parameterizations via dedicated user interface.
Probability Distributions version 2.30
Updated At: 2023-09-18
Changes: This release includes a new way to represent alternative parametrizations via dedicated user interface.
For now, an alternative parametrization is only introduced to "Log-normal" distribution. The previous "Log-normal 7" distribution is removed and has been replaced with the new alternative parametrization.
Probability Distributions version 2.28
Updated At: 2023-08-09
Changes: Adds "Log-normal 7" distribution, which is an alternative parametrization for Log-normal distribution. The new distribution uses it's own mean and variance as its parameters instead of using normal distribution's mean and variance.
Probability Distributions version 2.27
Updated At: 2023-07-20
Changes: Small improvements and updates.
Probability Distributions version 2.26
Updated At: 2023-07-08
Changes: Small improvements and fixes.
Probability Distributions version 2.25
Updated At: 2023-05-01
Changes: Updates links for release iOS app
Disclaimer
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