|Lottery Number Generator|
This calculator generates a specified number of random integers within a given range.
|Mean, variance and standard deviation of discrete random variable|
This online calculator calculates the mean, variance, and standard deviation of random variables entered in the form of a value-probability table.
The random symbol generator is a simple tool that allows users to generate a specified number of symbols randomly selected from a given set of symbols. Users can choose the number of paragraphs and the number of symbols per paragraph to be generated.
This online calculator computes covariance between two discrete random variables. It also shows the expected value (mean) of each random variable. You can find the formula used for the calculation of covariance below the calculator.