Uni-Sine

Probability Calculator

Mathematics calculator

Probability Calculator

See probability distributions take shape as you change their parameters, and shade the region you are working out to read its probability.

What you can do

  • Normal, binomial and Poisson distributions
  • Shade P(X < a), P(X > b) and ranges between
  • Set the mean and standard deviation and find z-scores
  • Practice problems that check your answer