nag_stat_inv_cdf_normal_vector (g01tac) Example Program Data 4 :: ltail Nag_LowerTail Nag_UpperTail Nag_TwoTailConfid Nag_TwoTailSignif :: tail 4 :: lp 0.975 0.025 0.95 0.05 :: p 1 :: lxmu 0.0 :: xmu 1 :: lxstd 1.0 :: xstd