City A has 1,000,000 people; City B has 4,000,000 people. Suppose the goal is to try to predict the percent of Purple Party voters in a sample. Other things being equal, a simple random sample of 1% of the people in City A has about the same accuracy as a simple random sample of ________% of the people in City B. Pick the best option below to fill in the blank.

Question

1- 0.1%
2- 0.25%
3- 0.5%
4- 0.75%
5- 1%

Answer 1

Which would give the same number in the sample?

Answer 2

I know 0.75% is wrong!

Answer 3

0.25 is the correct one

Answer 4

Thank you : D