In a recent study,100 males used a new weight-loss supplement, and 72 of them experienced weight loss after two weeks. In the same study,50 females used the same supplement, and

40 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 less effective on ?males females in the study because

%

of them failed to lose weight after two weeks, whereas only

%

of the ?males females failed to lose weight after two weeks.