Calculating the Sample Size n: Continuous and Binary Random Variables · Exercise 52
The American Community Survey (ACS), part of the United States Census Bureau, conducts a yearly census similar to the one taken every ten years, but with a smaller percentage of participants. The most recent survey estimates with 90% confidence that the mean household income in the U.S. falls between $69,720 and $69,922. Find the point estimate for mean U.S. household income and the error bound for mean U.S. household income.
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OpenStax, Introductory Business Statistics 2e · §8.4 Calculating the Sample Size n: Continuous and Binary Random Variables · Exercise 52
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