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15-02-2024
Mathematics

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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 that last 30 days. The results are shown in the table.
a) What proportion of adults in the survey took the echinacea?
b) What proportion of adults who took vitamin C reported having a cold in the last 30 days?
c) What proportion of adults who reported having a cold took zinc?

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 c class=

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