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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?

ansver
Answers: 1

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