Mathematics, 21.05.2020 10:58 marissagirl9893
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 4343 of the 4848 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 8989 of the 106106 subjects developed rhinovirus infections. Use a 0.010.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below.
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Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 4343 of the...
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