Fred is taking his little sister to a toy store. In the toy store, she wants to design a doll. She can customize the doll’s hair and eyes. The store has 4 hair colors (blonde, brown, red, and black), 2 hair textures (straight and curly), and 4 eye colors (brown, blue, green, and hazel). The probability that Fred’s sister designs a doll with brown, curly hair and green eyes is .