How to Predict a Person's Age and Whether She's Male or Female

If i had a predicted model that predicts the gender of a person, basein their age, or whatever other attributes r the data saidn those are the numbers that i would get, then that perfectly fine. If i could improve my prediction of whether the person is male or female by adding some other attributes that do not, on a statistical level, have that information, let's ay i add the eye color and hair color of the persona maybe the street they live in. And then i get a 80 % chance that she's female versus tinety. That this increasing probability could give you a window in whether this person, about the specific person, that's what you want to protect about.