distribution with a median of $75,847 and standard deviation of $33,800. (a) What is the probability that a household in Maryland has an annual income of $90,000 or more? (Round your answer to four decimal places.) (b) What is the probability that a household in Maryland has an annual income of $50,000 or less? (Round your answer to four decimal places.) (c) What is the probability that a household in Maryland has an annual income between $60,000 and $70,000 ? (Round your answer to four decimal places.)