An engineer in charge of water rationing for the U.S. Army wants to determine if the average male soldier spends less time in the shower than the average female soldier. Let ym represent the average time in the shower of male soldiers and we represent the average time in the shower of female soldiers. a) What are the appropriate hypotheses for the engineer? -"\"- H0: om - ofversus Ha: om :- a": -"\"- H0: ,um - pf versus Ha: pm a! m r\". H0: ,um n 14.: versus Ha: pm