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Probability 12 Online
OpenStudy (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?

OpenStudy (anonymous):

18.18%

OpenStudy (anonymous):

since 45 people of 55 drink either tea or coffee u know 10 people dont drink either so u divide 10 by 55

OpenStudy (anonymous):

then multiply by 100 to get a percentage

OpenStudy (anonymous):

18.18%

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