Question 8 Let X be a continuous random variable with pdf x], where x] 2 {IEx I '3:- [I 1'] otherwise Find Pr[1 a: X r: 2}. Question 9 The distribution of salaries [in .Eper annum} in the building industry is represented by a random variable X with pdf film} _ g I 3: l [l otherwise [11} Find the value of the constant It. {h} Find the probability that a building industry employee earns between 12,l]l] pa. and Elg 11.3