raenfall455
08.04.2020 •
Mathematics
Rhino viruses typically cause common colds. in a test of the effectiveness of echinacea, 3737 of the 4242 subjects treated with echinacea developed rhinovirus infections. in a placebo group, 8787 of the 101101 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.
a. test the claim using a hypothesis test.
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