It was desired to compare the proportion of males and females that had a tattoo. I entered the data into am and created the following printout. Hypothesis Test Two Proportions Sample Size Successes Proportion Females 300 90 0.30000 Males 300 60 0.20000 Difference 0.10000 Null Hypothesis: pl : p2 Alternative gm: pl at: p2 SE (difference) 0.03536 Z (uncorrected) 2.83 P 0.0047 95% Confidence Interval of Difference 0.03117