1. A survey was conducted from the 500 individuals. Based on the result of the survey, 350 are not satisfied with the current government administration. Estimate the sample proportion^p of those who are satisfied based on the sample provided.

Use four decimal places.

2. If 10% the association members approve of a non-gender open tournament for darts, what is the standard error if the sample size is 900?

Round-off to two decimal places.

3. If 90% the association members approve of a non-gender open tournament for chess, what is the standard error if the sample size is 100?

Round-off to two decimal places.