Tests from confidence intervals. You read in a Census Bureau report that a99% confidence
Chapter 0, Problem 17.47(choose chapter or problem)
Tests from confidence intervals. You read in a Census Bureau report that a99% confidence interval for the mean income of the top 20% of Americanhouseholds in 2004 is $151,593 $2125. Based on this interval, can you rejectthe null hypothesis that the mean income in this group is $150,000? What is thealternative hypothesis of the test? What is its significance level?
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