Sample Size Determination

5 selectedDifficulty 3-75 unseenView topic

FoundationNew

0 answered

1 foundation3 intermediate1 advancedAdapts to your performance

Question 1 of 5

120sfoundation (3/10)compute

To estimate a population proportion at 95% confidence with margin of error e, you use the formula n = z^{2} / (4 e^{2}) . If you halve the margin of error from e to e /2, how does n change?