A survey reported inTimemagazine included the question ''Do you favor a federal law requiring a15day waiting period to purchase a gun?" Results from a random sample of US citizens showed that318of the520men who were surveyed supported this proposed law while379of the460women sampled said ''yes".

Use this information to find a95%confidence interval for the difference in the two proportions,pm-pw, wherepmis the proportion of men who support the proposed law andpwis the proportion of women who support the proposed law.

Round your answers to three decimal places.

The95%confidence interval is