For the random variable X, suppose that we have E(X) = 5 and E(X2) = 30. Find

(i) an upper bound for the probability P(X ≤ −1 or X ≥ 11);

(ii) an upper bound for the probability P(X ≤ −1);

(iii) a lower bound for the probability P(1 ≤ X ≤ 9).