Probability Pro

Analyze Normal and Binomial distributions with interactive visualizations.

Probability Pro

Professional statistical engine for Normal and Binomial distribution analysis.

STAT NOTE

68% of data falls within 1σ, 95% within 2σ, and 99.7% within 3σ.

Interactive PDF
The Central Limit Theorem states that as the sample size increases, the distribution of the sample mean approaches a normal distribution, regardless of the population distribution shape.

About Probability Pro

Deep statistical analysis in your browser. Visualize probability density functions, calculate cumulative probabilities, and find critical values for standard distributions.

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