What are the null and alternative hypotheses

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In a test of the effectiveness of? echinacea, 35 of the 42 subjects treated with echinacea developed rhinovirus infections. In a placebo? group, 77 of the 90 subjects developed rhinovirus infections. Use a 0.05 significance level to test the claim that echinacea has an effect on rhinovirus infections. 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?

Reference no: EM132399922

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