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Some researchers claim there is an association between getting a tattoo and contracting hepatitis C. They took a random sample of people living in Los Angeles, California, and recorded whether they had a tattoo and whether they were infected with hepatitis C. The results are shown in the following two-way relative frequency table.
Has Hepatitis C Does Not Have Hepatitis C Row Totals
Does not have a tattoo 0.01 0.12
Has one tattoo 0.48 0.50
Has more than one tattoo 0.03 0.34
Column Totals 0.06 0.94 1
What additional data could be placed on the table?
Has one tattoo and has Hepatitis C = 0.02
Has one tattoo and has Hepatitis C = 0.11
Does not have a tattoo and does not have Hepatitis C = 0.02
Does not have a tattoo and does not have Hepatitis C = 0.38
