Question

In a recent study, 50 males used a new weight-loss supplement, and 38 of them experienced weight loss after two weeks. In the same study, 100 females used the same supplement, and 85 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 % of them failed to lose weight after two weeks, % of the ? whereas failed to lose weight after two weeks. ?

Answer 1

The new weight-loss supplement was more effective on females in the study because only 85% of them failed to lose weight after two weeks, 15% of the females whereas failed to lose weight after two weeks.

Explanation:

Male proportion that lose weight

`p_m=38/50=0.76`

Female proportion that lose weight

`p_f=85/100=0.85`

Proportion of females that failed to lose weight

`p_(f2)=1-0.85=0.15`

Answer 2

Explanation:

Males proportion who did not lose weight = 12/50 = 24%

Females proportion who did not lose weight = 15/100 = 15%

Thus we find this was effective for females compared to males.

he new weight-loss supplement was more effective on females in the study because only 15% of them failed to lose weight after two weeks, whereas 24% of the males failed to lose weight after two weeks.

So answer is Females, 15 and 24.