Question

how would the margin of error of your confidence interval change if the confidence level were 95% instead 0f 90%?

Answer 1

Margin of error at 99% confidence #1.29/n√

Margin of error at 95% confidence #.98/n√

Margin of error at 90% confidence #.82/n√

Answer 2

how did you figure that out?

Answer 3

They just formula to find out Margin error.
They come from Normal distribution function.

Answer 4

so 95% has a bigger margin of error than 90%?