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4 May, 13:46

500 people were asked about music genres. The number of people who like rock music is 280. The number who like country is 140. The number both is 109. A person was randomly selected from this group, what is the probability that a) Like both Rock And Country, b) Like rock or country, c) doesn't like both d) only likes country

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  1. 4 May, 16:53
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    See the Venn diagram I drew - I filled in the center (both types of music) first.
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