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# stats16 - Call a household prosperous if its income exceeds...

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Unformatted text preview: Call a household prosperous if its income exceeds \$150,000. Call the household educated if the householder completed college. Select an American household at random, and let A be the event that the selected household is prosperous and B the event that it is educated. According to a government survey, P(A) = 0.25 and P(B) = 0.42, and the probability that a household is both pIOSperous and educated is P(A and B) = 0.20. What is the P(Ac and BC)? (Remember to express your answer as a proportion.) 5. The voters in a large city are 50% White, 40% black, and 10% Hispanic. Candidate Smith Wins 40% of the White vote, 90% of the black vote, and 30% of the Hispanic vote. What is the conditional probability that a voter is black given that the voter voted for candidate Smith (rounded to four decimal places)? (Remember to express your answer as a proportion.) ...
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