Probability Distribution Calculator

This calculator automatically finds the mean, standard deviation, and variance for any probability distribution.

Simply fill in the cells below for up to 10 values, then click the “Calculate” button:

Note: The Probability column must add up to 1.

Outcome Probability Value
Outcome 1
Outcome 2
Outcome 3
Outcome 4
Outcome 5
Outcome 6
Outcome 7
Outcome 8
Outcome 9
Outcome 10

Mean (μ) = 1.4500

Standard Deviation (σ) = 0.9734

Variance (σ2) = 0.9475

Probabilities must add up to 1. They currently add up to 0.359

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