In the following, providing the correct answer only using a calculator without showing intermediate work will receive the minimum score' You MUST show your work for full credit by the following steps: (i) write a correct integral expression with lower and upper limits, (ii) gure out its integral, and (iii) evaluate the integral for the limit values. [5pt] Question 2. Consider the following probability density function of a continuous random variable X: 3+1 15x