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Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 37 of the 42 subjects treated with echinacea developed rhinovirus infections.

Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 37 of the 42 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 88 of the 103 subjects developed rhinovirus infections. Use a 0.05 significance level to t the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. OB. Ho: P1 SP2 O C. Ho: P1 2 P2 O A. Ho: P1 = P2 H1 : P1 / P2 H1: P1 # P2 Hy : P1 / P2 OD. Ho: P1 # P2 OE Ho: P1 = P2 OF. HO: P1 = P2 H1: P1 > P2 H1: P1 = P2 Hy : P1

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