You may need to use the appropriate appendix table to answerthis question.
According to Money magazine, Maryland had the highestmedian annual household income of any state in 2018 at $75,847.†Assume that annual household income in Maryland follows a normaldistribution with a median of $75,847 and standard deviation of$33,800.
(a)
What is the probability that a household in Maryland has anannual income of $110,000 or more? (Round your answer to fourdecimal places.)
(b)
What is the probability that a household in Maryland has anannual income of $50,000 or less? (Round your answer to fourdecimal places.)
(c)
What is the probability that a household in Maryland has anannual income between $60,000 and $70,000? (Round your answer tofour decimal places.)
(d)
What is the annual income (in $) of a household in theeighty-sixth percentile of annual household income in Maryland?(Round your answer to the nearest cent.)
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