Q12Comprehension2 Marks3 Sep 2023PassageBased on the above data, answer the given subquestions. The density function of a continuous random variable XXX is given by fX(x)={k−x,0<x<10,otherwisef_X(x) = \begin{cases} k - x, & 0 < x < 1 \\ 0, & \text{otherwise} \end{cases}fX(x)={k−x,0,0<x<1otherwise.Find the expected value of XXX.A512\frac{5}{12}125B38\frac{3}{8}83C58\frac{5}{8}85D12\frac{1}{2}21
