business analytis A$/$B testing We have introduced a new feature on our new webpage. To test the effectiveness of the new

feature, we have conducted an A$/$B test and displayed each of the new and old webpages to $2,000$ potential

customers separately. We would like to know if our new feature is significantly better than the old feature. The

result of our analysis is presented in the following table:

$(10$ points$)$

a$.$ Is the new feature better than the old feature?

b$.$ Would your answer change if only $650$ customers clicked on the webpage? Why or why not?