Find the probability distribution for the following function: p(x) = x/2 +1 for x = 4, 6, and 8 a=p(4) = 3, p(6) = 4, p(8) = 5 b= p(3) = 2, p(5) = 3, p(7) = 4 c= p(3) = 1, p(5) = 2, p(7) = 3 d= p(3) = 9, p(5) = 10, p(7) = 11