Mathematics, 25.12.2019 21:31, gael6529
Among a group of 100 people, 68 can speak english, 45 can speak french, 42 can speak spanish. 27 can speak both english and french, 25 can speak both english and spanish, 16 can speak both french and spanish, and 9 can speak all three languages. pick a person at random from this group, what is the probability that this person can speak at least 1 of these languages?
Answers: 2
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Among a group of 100 people, 68 can speak english, 45 can speak french, 42 can speak spanish. 27 can...
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