2. Let X be a continuous random variables such that: 0, otherwise (a) Let a = P(1

2. Let X be a continuous random variables such that: fx@) 0, otherwise (a) Let a (b) Let a which of the following is true? 16 None of the above P (1 < X < 2), which of the following is greater than a? D P(1.5 < x < 2.5) All Of the above 3. Let X U (1, 2). Which one of the following statements is true? [3 marks] [3 marks] [3 marks] E(x2) - E(x2) - CA E(x2) - 13 E(x2) - 28 12 19 12 12 12