Respuesta :
1/8 is the answer. sorry if its wrong, I am not that good at maths
sample space = {3 g, 4 r, 1 w} =8 elements
number of White = 1
So P(getting a white) =1/8 = 0.125 or 12.5%
number of White = 1
So P(getting a white) =1/8 = 0.125 or 12.5%