/* ** (C) Copyright 1999 Gary King ** All Rights Reserved. ** http://GKing.Harvard.Edu, King@Harvard.Edu ** Department of Government, Harvard University ** ** unstandardized cumulative normal distribution ** ** p = cdfnorm(y,mu,sigma2); ** ** INPUTS: ** mu = mean ** sigma2 = variance ** y = normal variate ** ** OUTPUT: ** p = Prob(Y