so the 3 integrals for y are over (-Infinity, -0.842), (-0.842, 0.524), (0.524, Infinity) let's say x has the same distribution as y, then the 3 integrals for x should be the same. How can they be expressed by probbnrm where probbnrm(a,b,rho)=integration of bivariate normal over (-Infinity, b) - integration of bivariate normal over (-Infinity, a) rho should be fixed say at 0.5 Please suggest. Haider
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