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Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the 48 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 98 of the 112 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. z= 37 (Round to two decimal places as needed.) Identify the P-value. P-value =709 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is greater than the significance level of a= 0.05, so fail to reject the null hypothesis. There is not sufficient evidence to support the claim that echinacea treatment has an effect. b. Test the claim by constructing an appropriate confidence interval. The 95% confidence interval is <(P1-P2)

Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the 48 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 98 of the 112 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. z= 37 (Round to two decimal places as needed.) Identify the P-value. P-value =709 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is greater than the significance level of a= 0.05, so fail to reject the null hypothesis. There is not sufficient evidence to support the claim that echinacea treatment has an effect. b. Test the claim by constructing an appropriate confidence interval. The 95% confidence interval is <(P1-P2)

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 1CA
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The 95% confidence interval is ___<(P1-P2)<___

Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the 48 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 98 of the 112 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. Z= 37 第 用 前 (Round to two decimal places as needed.) Identify the P-value. P-value 709 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is greater than the significance level of a= 0.05, so fail to reject the null hypothesis. There is not sufficient evidence to support the claim that echinacea treatment has an effect. b. Test the claim by constructing an appropriate confidence interval. (P1 -P2) <O (Round to three decimal places as needed.) The 95% confidence interval is (1) More Enter your answer in the edit fields and then click Check Answer. Check Answer Clear All 2 parts remaining Us | SAMSUNG
Transcribed Image Text:Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the 48 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 98 of the 112 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. Z= 37 第 用 前 (Round to two decimal places as needed.) Identify the P-value. P-value 709 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is greater than the significance level of a= 0.05, so fail to reject the null hypothesis. There is not sufficient evidence to support the claim that echinacea treatment has an effect. b. Test the claim by constructing an appropriate confidence interval. (P1 -P2) <O (Round to three decimal places as needed.) The 95% confidence interval is (1) More Enter your answer in the edit fields and then click Check Answer. Check Answer Clear All 2 parts remaining Us | SAMSUNG
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