Answer:
5.9=0
Step-by-step explanation:
Answer:
yeah i think they are all right :)
Step-by-step explanation:
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