anonymous
  • anonymous
In a group of 55 people, 33 are coffee drinkers and 12 are tea drinkers. Assuming that no one in this group drinks both tea and coffee, what is the probability that a person picked at random from the group does not drink tea or coffee?
Probability
chestercat
  • chestercat
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anonymous
  • anonymous
18.18%
anonymous
  • anonymous
since 45 people of 55 drink either tea or coffee u know 10 people dont drink either so u divide 10 by 55
anonymous
  • anonymous
then multiply by 100 to get a percentage

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anonymous
  • anonymous
18.18%

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