(9.1.15-T D Assigned Media Question Help Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 44 of the 50 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 90 of the 106 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. Identify the test statistic. %= (Round to two decimal places as needed.) (0,0) More Enter your answer in the answer box and then click Check Answer.

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Identify the test statistics, pvalue, & the confidence interval 

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Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 44 of the 50 subjects treated with echinacea developed rhinovirus infections. In a placebo
group, 90 of the 106 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts
(a) through (c) below.
Identify the test statistic.
%=
(Round to two decimal places as needed.)
(0,0)
More
Enter your answer in the answer box and then click Check Answer.
Transcribed Image Text:(9.1.15-T D Assigned Media Question Help Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 44 of the 50 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 90 of the 106 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. Identify the test statistic. %= (Round to two decimal places as needed.) (0,0) More Enter your answer in the answer box and then click Check Answer.
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