A surveyasked, "How many tattoos do you currently have on yourbody?" Of the 1223 malessurveyed, 180 responded that they had at least one tattoo. Of the 1097 femalessurveyed, 148 responded that they had at least one tattoo. Construct a 90% confidence interval to judge whether the proportion of males that have at least one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval.

Let p1 represent the proportion of males with tattoos and p2 represent the proportion of females with tattoos. Find the 90% confidence interval for p1p2.

The lower bound is

The upper bound is