Answer:
A greater percentage of people received test drug X than test drug Y
Step-by-step explanation:
17 out of 100 participants received test drug X >>
100 participants __ 100 %
17 participants ___ X >>
X = (17 x 100) / 100 = 17 %
135 out of 1000 participants received test drug Y >>
1000 participants __ 100 %
135 participants ___ Y >>
Y = (135 x 100) / 1000 = 13.5 %
Conclusion: a higher percentage received test drug X