Easily visualize normal distribution curve with adjustable parameters. Calculate Probabilities Under the Curve: Input a z-score value or a range of z-scores, and the tool will compute the ...

This PHP application calculates the first moment (mean), second moment (variance), and expectation of a normal distribution. Users input the mean and standard deviation of the distribution through a ...

The normal distribution (also known as the Gaussian distribution) is arguably the most important distribution in Statistics. It is often used to represent continuous random variables occurring in ...

dxxx(x,) returns the density or the value on the y-axis of a probability distribution for a discrete value of x pxxx(q,) returns the cumulative density function (CDF) or the area under the curve to ...