Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 33 of the 39 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 99 of the 113 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. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P12 P2 H4: P1 # P2 O B. Ho: P1 # p2 H1: P1 = P2 O C. Ho: P1 = P2 H: P1 # P2 O D. Ho: P1 = P2 H1: P1 > P2 O E. Ho: P1 SP2 H4: P1 #P2 O F. Ho: P1 = P2 H1: P1
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 33 of the 39 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 99 of the 113 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. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P12 P2 H4: P1 # P2 O B. Ho: P1 # p2 H1: P1 = P2 O C. Ho: P1 = P2 H: P1 # P2 O D. Ho: P1 = P2 H1: P1 > P2 O E. Ho: P1 SP2 H4: P1 #P2 O F. Ho: P1 = P2 H1: P1
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
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