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.

Calculate probability using a Student's t-distribution

Learn how to work with a Student's t-distribution in the probability application.

Calculate probability using a binomial distribution

Learn how to work with a binomial 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.

Construct a confidence interval using one sample

Learn how to construct a one-sample z-interval for a proportion.

Construct a confidence interval using two samples

Learn how to construct a two-sample t-interval for a mean.

Perform a hypothesis test using one sample

Learn how to perform a hypothesis test using one sample with a one-sample z-test for a proportion.

Perform a hypothesis test using two samples

Learn how to perform a hypothesis test using two samples with a two-sample t-test for the difference of means.

Perform a hypothesis test using a dataset

Learn how to perform a hypothesis test using a dataset.

Perform a Chi-square test for homogeneity

Learn how to perform a Chi-square test for homogeneity.

View the Chi-square contributions

Learn how to view the Chi-square contributions.

Perform a Chi-square test for Goodness-of-Fit

Learn how to perform a Chi-square test for Goodness-of-Fit.

Perform a t-test for the slope

Learn how to perform a t-test for the slope.