According to Money magazine, Maryland had the highest mean annual household income of any state in 2018
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Question:
According to Money magazine, Maryland had the highest mean annual household income of any state in 2018 at $75,847. Assume that annual household income in Maryland follows a normal distribution with a mean of $75,847and standard deviation of $33,000.
a. What is the probability that a household in Maryland has an annual income of $100,000or more (to 4 decimals)?
b. What is the probability that a household in Maryland has an annual income$40,000 of or less (to 4 decimals)?
c. What is the probability that a household in Maryland has an annual income $50,000 between and$70,000 (to 4 decimals)?
Related Book For
Statistics For Business & Economics
ISBN: 9781337901062
14th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
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