Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 34 of the 39 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 98 of the 115 subjects developed rhinovirus infections. Use a 0.05 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. Identify the test statistic:Z= ___?____ Identify the P-Value: _______State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. _________Identify the confidence interval limits for the appropriate confidence interval.__?____ < P1-P2 < __?____

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 40 of the…

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​echinacea, 34 of the…

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 38 of the…

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 45 of the…

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Q: The 90% confidence interval is from to (Round to three decimal places as needed.)

A: Given,n=400x=32p^=32400=0.08α=1-0.90=0.10α2=0.05 Zc=1.645     (use excel formula =NORM.S.INV(0.90 +…

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 34 of the…

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 41 of the…

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 32   of…

A:

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Q: Rhino viruses typically cause common colds. In a test of the effectiveness of​ echinacea, 42 of the…

A: Answer X1 =42X2 =89n1=47n2 =102level of significance =0.01

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