Use the Following to Answer Questions

Essay

Use the following to answer questions :
In a 2012 survey, Gallup asked a random sample of U.S. adults if they would prefer to have a job outside the home, or if they would prefer to stay home to care for the family and home. Of the 504 males they surveyed, 391 said that they would prefer to have a job outside of the home. Of the 473 females they surveyed, 254 said that they would prefer a job outside of the home.
-Verify that the sample size is large enough in each group to use the normal distribution to construct a confidence interval for a difference in proportions.