Study different discrete and continuous probability distributions with interactive visuals!

Probability distributions

Select one of the many continuous and discrete probability distributions to calculate your probability.

Interactive visuals

Enter the parameters for your distribution and you're ready to compute a probabilty! Simply input either a value or a probability and the other field updates automatically!


Discover the distibutions available for use

Explore the distributions on the NumWorks calculator: binomial, uniform, normal, etc.

Calculate probability using a normal distribution

Learn how to work with a normal distribution in the probability application.

Modify the bounds of a probability

Learn how to modify the bounds of a probabilty using a Student's t-distribution.

More tutorials

Learn more about the Distributions application by visiting the user manual.