An investment firm offers its customers municipal bonds that mature after varying number of years. Given that the cumulative distribution function of T, the number of years to maturity for a randomly selected bond, isF(t) = 0, for t<1, F(t) = 14, for 1 ≤ t<3, F(t) = 12, for 3 ≤ t<5, F(t) = 34, for 5 ≤ t<7, F(t) = 1, for t ≥ 7, find (a) P(T=5); (b) P(T>3); (c) P(1.4