Bienvenido or bienvenidos

Question

When do you use bienvenido as opposed to bienvenidos'

Answer 1

Bienvenido = "Welcome" to one person (a man)
Bienvenida = "Welcome" to one person (a woman)
Bienvenidos = "Welcome" to a group of people (all men or a group of men and women)
Bienvenidas = "Welcome" to a group of women

Answer 2

Good explanation here

<http://forum.wordreference.com/showthread.php't=1286>

Answer 3

Awesome, thanks! I just wanted to make sure I had it right.