# Rhino viruses typically cause common colds. In a test of the effectiveness of Echinacea, 40 of the

## Question:

a. Test the claim using a hypothesis test.

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

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

Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.

Fantastic news! We've Found the answer you've been seeking!

## Step by Step Answer:

**Related Book For**