Twelve percent of all U.S. households are in California. A total of 1.3 percent of all U.S.

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Twelve percent of all U.S. households are in California. A total of 1.3 percent of all U.S. households earn more than $250,000 per year, while a total of 3.3 percent of all California households earn more than $250,000 per year.

a. What proportion of all non-California households earn more than $250,000 per year?

b. Given that a randomly chosen U.S. household earns more than $250,000 per year, what is the probability it is a California household?

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