nag_bivariate_normal_dist (g01hac) Example Program Results
    x       y      rho    prob

   1.700  23.100   0.000  0.9554
   0.000   0.000   0.100  0.2659
   3.300  11.100   0.540  0.9995
   9.100   9.100   0.170  1.0000