After surveying 995 adults 815 of whom were over 30 the, Ask an Expert

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After surveying 995 adults, 81.5% of whom were over 30, the National Sleep Foundation reported that 36.8% of all the adults snored. Thirty-two percent of the respondents were snorers over the age of 30.

What percent of respondents were under 30 and did not snore? Hint: Draw a Venn diagram to represent the region of interest.

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Statistics and Probability, Statistics

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