Help! A vaccine to prevent a severe virus was given to children within the first year of life as part of a drug study. The study reported that of the 3323 children randomly assigned the vaccine, 54 got the virus. Of the 1659 children randomly assigned the placebo, 46 got the virus.a. Find the sample percentage of children who caught the virus in each group. Is the sample percentage lower for the vaccine group, as investigators hoped?b. Determine whether the vaccine is effective in reducing the chance of catching the virus, using a significance level of 0.01. The first few steps of the hypothesis-testing procedure are given. Complete the procedure.1 Click the icon to view the first few steps of the hypothesis-testing procedure.a. Find the sample percentage of children who caught the virus in the vaccine group.% (Round to two decimal places as needed.)First Steps of Hypothesis-Testing ProcedureFind the sample percentage of children who caught the virus in the placebo group.% (Round to two decimal places as needed.)The hypotheses are shown below, where p, is the proportion that gets the virusamong those who take the vaccine, and p, is the proportion that get the virusIs the sample percentage lower for the vaccine group, as investigators hoped?among those who take a placebo.Ho: Pv = PpHa: Pv

Name: Help! A vaccine to prevent a severe virus was given to children within
Uploaded: 2024-03-20T06:46:14.000Z
Channel: Bartleby
Description: Help! A vaccine to prevent a severe virus was given to children within the first year of life as part of a drug study. The study reported that of the 3323 children randomly assigned the vaccine, 54 got the virus. Of the 1659 children randomly assigne