Question

The

Answer 1

were you able to get anywhere?

Answer 2

that's the standard error yes and you divide by 2621 since you want the number of households that reported back (not the number total since that total involves people who didn't mail back)

Answer 3

sqrt(2621) I meant to say

Answer 4

what is the critical value for the 99% confidence interval

Answer 5

one sec, sry froze up for a sec

Answer 6

you are correct, now evaluate that to get your confidence interval

Answer 7

sure thing