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Mathematics, 12.12.2020 16:30 bri1334

A student surveyed 100 adults who took either vitamin C, zinc, or echinacea supplements to prevent getting a cold. The adults were asked if they had a cold or no
cold in the last 30 days. The results are shown in the table.

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A student surveyed 100 adults who took either vitamin C, zinc, or echinacea supplements to prevent...
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