Enter the mean μ (average), standard deviation σ, and cutoff points, and this normal distribution calculator will compute the area (probability) under the normal distribution curve.

The Normal Distribution Calculator makes it easy to compute cumulative probability, given a standard score from a standard normal distribution or a raw score from any other normal …

Enter mean, standard deviation and cutoff points and this calculator will find the area under standard normal curve. The calculator will generate a step by step explanation along with the …

Nov 22, 2024 · Calculate normal distribution probabilities and critical values with interactive visualization. Free tool with z-score conversion and percentiles.

Effortlessly calculate probabilities with our bell curve calculator, a perfect tool for any probability distribution analysis. Try it today!

Our calculator supports normal distributions with any real-valued mean and variance.

Indicate whether you want to find the area above a certain value, below a certain value, between two values, or outside two values. Indicate the value (s). Hit tab, return, or the "recalculate …

Use this Normal Distribution Calculator to find probabilities and visualize areas under the normal curve. In the calculator, enter an Observed Value (X), Population Mean (μ), and Standard …

Computes p-values and z-values for normal distributions.

Enter the mean $\mu$ and standard deviation $\sigma$. To compute a left-tail probability, select $P (X \lt x)$ from the drop-down box, enter a numeric $x$ value in the blue (left) box and press …