When organization is preferred to recruit female candidate, why they circulate advertisement to wider (Male & Female)?

I think in certain position the females could do best. However, in general, this should be avoided to encourage any discrimination. By large, to avoid EEO sanctity the heads do so.

It is possible that there will be people who have the same capabilities and skills that are friendly and that will help in the company's service and there could not be any bias for any sex prefers peek over particular