T.DIST.RT Returns the right-tailed Student’s t-distribution.
Syntax
T.DIST.RT(X,Deg_freedom)
Parameters
X – The numeric value at which to evaluate the distribution.
Deg_freedom – An integer indicating the number of degrees of freedom.
Return Value
The right-tailed Student’s t-distribution.
Reference Data
https://docs.microsoft.com/en-us/dax/dax-function-reference