I can't determine the wether or not the new weight loss supplement is effect or not

In a recent study, 50 males used a new weight-loss supplement, and 37 of them experienced weight loss after two weeks. In the same study, 25 females used the same supplement, and 20 of them experienced weight loss after two weeks. Fill in the blanks of the statement below to make the statement the most reasonable possible. The new weight-loss supplement was more effective on in the study because only I] /o of them failed to lose weight after two weeks, whereas I] % of the ? v failed to lose weight after two weeks