Normal Distribution Probability Calculator

Online Statistics Calculators – Solvers

» Normal Distribution Probability Calculations

Use this calculator if you want to compute a probabilities associated with the normal distribution. You need to know the population mean μ and the population standard deviation σ. You need to provide information about the event you want to compute the probability. The script will also provide a picture of the shaded area.

Population Mean (\(\mu\))
Population St. Dev. (\(\sigma\))
≤ X ≤
X ≤
X ≥

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