What is the conclusion based on the hypothesis test?

b$.$ Test the claim by constructing an appropriate confidence interval.

The $95\%$ confidence interval is

$($Round to three decimal places as needed.$)$

What is the conclusion based on the confidence interval?

Because the confidence interval limits

$0,$ there

appear to be a significant difference between the two proportions. There

evidence to support the claim that

echinacea treatment has an effect.

c$.$ Based on the results, does echinacea appear to have any effect on the infection rate?

A$.$ Echinacea does appear to have a significant effect on the infection rate. There is evidence that it increases the infection rate.

B$.$ Echinacea does appear to have a significant effect on the infection rate. There is evidence that it lowers the infection rate.

C$.$ Echinacea does not appear to have a significant effect on the infection rate.

D$.$ The results are inconclusive.