In Wyoming there are about 300,000 registered voters, of whom 30,000 are Democrats. A survey organization is about to take a simple random sample of 900 registered voters. (Answer below in percent to the nearest whole percent; do not enter the % sign.)

1. The expected value for the percentage of Democrats in the sample is %. The SE for the percentage of Democrats in the sample is %.
2. The percentage of Democrats in the sample is likely to be around %, give or take % or so.
3. Find the chance that between 9% and 11% of the registered voters in the sample are Democrats. (Do not round the SE in calculating this probability). Answer: %