the pdf od demand for two weeks and for three weeks.

\f'A.' ' NI We model the weekly demands of some commodity by X whose pdf is fxljm} = me'\" For m 3 I] and fxr] = (1 otherwise. Assume the weekly demands are independent across diferent weeks. using Theorem 1 in Lecture 12 to derive {a} the pdf of demands for two weeks; and {h} the pdf of demands for three weeks