Mathematics, 10.05.2021 18:20 lucaszsanches
Your friend surveyed 100 people who took either vitamin C, zinc, or
Echinacea supplements to prevent getting a cold. The participants
were asked if they had a cold or no cold in the last 30 days.
no cold
cold
total
vitamin C
41
zinc
12
5
17
echinacea
21
total
26
100
What ratio of people in the survey took Echinacea?
Answers: 1
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Your friend surveyed 100 people who took either vitamin C, zinc, or
Echinacea supplements to preve...
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