1. Is the entrepreneurial spirit of the United States alive and well? Estimate with 95% confidence the number of Americans who work for themselves (WRKSLF: 1 = Self-employed). 2. Among Democratic and...

1. Is the entrepreneurial spirit of the United States alive and well? Estimate with 95% confidence the number of Americans who work for themselves (WRKSLF: 1 = Self-employed).

2. Among Democratic and Republicans only is there enough evidence to infer that there are more Democrats than Republicans (PARTYID3: 1 = Democrat, 3 = Republican)? (Caution: Tricky question)