Probability & Statistics

Choose a tool to launch the calculator and view step-by-step solutions.

Binomial Theorem Expansion Calculator Expand (ax + b)^n term by term and find the coefficient of x^k with the binomial theorem. Classical Probability Calculator Compute classical probability as favorable outcomes over the sample space, with complements. Discrete Random Variable Calculator – Expected Value & Variance Compute the expected value E(X), variance V(X), and standard deviation from a probability distribution table. Mean, Median & Mode Calculator Compute the mean, median, and mode of a data set with the sorted data shown. Permutation & Combination Calculator Compute permutations, arrangements, and combinations with the formula and each factorial shown. Variance & Standard Deviation Calculator Compute population and sample variance and standard deviation step by step.