x = 5 1 x = 4 f x = 20 x + 2 C N P(X > 4) = P(4 < X < 5) 5 1 D න X + 2 = L 20 MBCN 4 A M B MB = 5 − 4 = 1 1 6 1 7 MN = f 4 = 20 4 + 2 = 20 BC = f 5 = 20 5 + 2 = 20