Answer:
Product B performed worse in the study because 86% failed to get relief with this product, whereas only 78% failed to get relief with Product A
Step-by-step explanation:
We are given the following in the question:
Product A:
Number of people,

Number of people who received relief,

Proportion of people who received relief from product A =

Proportion of people who did not received relief from product A =

Product B:
Number of people,

Number of people who received relief,

Proportion of people who received relief from product B =

Proportion of people who did not received relief from product B =

Product B performed worse in the study because 86% failed to get relief with this product, whereas only 78% failed to get relief with Product A