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Common sources of caffeine are coffee, tea, and cola drinks. Suppose that 58% of adults drink coffee, 28% of adults drink tea and 40% of
Common sources of caffeine are coffee, tea, and cola drinks. Suppose that 58% of adults drink coffee, 28% of adults drink tea and 40% of adults drink cola. Also, 15% drink both coffee and tea, 8% drink all three beverages, 25% drink both coffee and cola and 5% drink cola only.
A) Make a Venn Diagram with labels and all probabilities marked.
B) What is the probability that a randomly selected adult doesn't drink coffee?
C) What is the probability that a randomly selected adult drinks none of these beverages?
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