Mathematics, 24.06.2020 19:01 justyne2004
An economics professor randomly selected 100 millionaires in the U. S. The average age of these millionaires was 52.1 years with a standard deviation of 12.3 years. What is a 95% confidence interval for the mean age, μ, of all U. S. millionaires?
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An economics professor randomly selected 100 millionaires in the U. S. The average age of these mill...
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