In a survey of a random sample of 40 people, it was found that 20 people liked chocolate ice-cream while 30 people liked vanilla. every person surveyed liked at least one flavor of ice-cream. how many

In a survey of a random sample of 40 people, it was found that 20 people liked chocolate ice-cream while 30 people liked vanilla. every person surveyed liked at least one flavor of ice-cream. how many people would you expect to like both flavors of ice-cream in a random sample of 200 people?

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