r-cran-mnormt binary package in Ubuntu Oracular amd64

 This package provides functions for computing the density and the
 distribution function of, and for generating random vectors from the
 multivariate normal and multivariate t distributions. It provides
 functions similar in scope to those of the package 'mvtnorm', but
 with some differences; one of these is that probabilities are
 computed via a non-Monte Carlo method.

Source package