QuestionSuppose XX is a discrete random variable and has moment generating function MX(t)=17+37e2t+27e4t+17e6tM_X(t)=\frac{1}{7}+\frac{3}{7}e^{2t}+\frac{2}{7}e^{4t}+\frac{1}{7}e^{6t}. What is the PMF of XX?