Null Hypothesis - TB is greater in the U.S. than foreign countries between 1993-2009
Alternative Hypothesis - TB is less in the U.S. than in foreign countries between 1993-2009.
See the attached files.
This solution is comprised of a detailed explanation of the various aspects of Hypothesis Test as it pertains to the given problem. Supplemented with Interactive EXCEL sheet, this solution provides students with a clear perspective of the calculations and underlying concepts.