The Probability Distribution Calculator

Nathan Sebhastian Posted Jun 26, 2023 0 min read

This calculator computes the mean, standard deviation, and variance of for a probability distribution table.

Note that the probability column must add up to 1. Hit the ‘Calculate’ button when you’re ready:

OutcomeProbabilityFrequency
Outcome 1
Outcome 2
Outcome 3
Outcome 4
Outcome 5
Outcome 6
Outcome 7
Outcome 8
Outcome 9
Outcome 10

Mean (μ) = 3.2700

Standard Deviation (σ) = 1.5865

Variance (σ²) = 2.5171

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