Probability

Suppose the two populations X and Y are independent of each other and obey the normal distribution. The mean and variance of X ...

This page performs calculations on the normal distribution, including standard normal distribution functions and inverse functi...

This page performs various calculations on the binomial distribution. The probability function and cumulative probability funct...

App description This webpage calculates the relevant interval estimates for the normal population of various cases (such as kno...

The web page performs the calculation of the Poisson distribution. The Poisson distribution has a parameter λ. Its distribution...

This page calculates the critical value of the correlation coefficient online, and the "Correlation Coefficient Threshold ...

This page calculates various digital features of two-dimensional discrete random variables online, including mathematical expec...

This page performs online calculations about the t distribution. Click in the list on the right to select the content to be cal...

Calculate the correlation coefficient ρ of a two-dimensional discrete random vector (X, Y) with only a finite number of values,...

This page performs calculations on the F distribution. Click in the list above to select the content to be calculated, then ent...

This page calculates (0-1) the interval estimate of the distribution parameter, which is actually the interval estimate of the ...