Mathematics, 05.05.2021 21:40 damiangomzzz903

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 15 56
zinc 12 5 17
echinacea 21 6 27
total 74 26
What ratio of people in the survey took Echinacea?
What ratio of participants who took vitamin C reported having a cold in the last 30 days?
What ratio of people who reported having a cold took zinc?

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Your friend surveyed 100 people who took either vitamin C, zinc, or Echinacea supplements to prevent...