Bryannadesanno8494 Bryannadesanno8494 08-04-2024 Mathematics contestada Let (X) be a discrete random variable with moment generating function given by ________. (M_x(t)=0.22+0.19 eᵗ+0.26 e³ t+k cdot eᶜ t). Given that (E[X]=2.95), find (operatornameVar[X]).