Mathematics, 23.04.2021 01:00 jackblacks
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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If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m β 1) : (2n β 1).
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The American Community Survey (ACS), part of the United States Census Bureau, conducts a yearly cens...
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