Respuesta :

deboada35

1) in first place you must Know F(X) for every value of x

F(0) = 250(0.5)^0 = 250

f(1) = 250(0,5)^1 = 250*0,5 = 125

f(2)= 250(0,5)^2= 250*0,25 = 62,5

the average is = 250+125+62,5/ 3 = 145,83