How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Probability density
gamma(a+b)/(gamma(a)*gamma(b))*x^(a-1)*(1-x)^(b-1)Mean
a/(a+b)Variance
a*b/((a+b)^2*(a+b+1))