1000 subjects 317 are positive for diease with a margin of e

1,000 subjects; 317 are positive for diease with a margin of error with high confidence of plus or minus 3%. Based on these results, what proportion of the entire population has this disease? Please show your work.

We cannot know the exact proportion untill we sample entire population, but we have an estimate of proportion, which is 317/1000 = 0.317