What is probability in a sample

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A market research firm discovered that 30% of the people who earn between $25,000 and $50,000 per year have bought a new car within the past 2 years. What is probability In a sample of 12 people earning between $20,000 and $50,000 per year between 4 and 10 people have bought a new car within the past 2 years?

Reference no: EM132404051

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