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Probabilities, hypothesis tests, confidence intervals… Discover the Inference application!

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

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

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

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

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

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

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

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

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

To learn more about the Inference application, please visit the corresponding section of the manual for the NumWorks graphing calculator.