Find the margin of error

Question

If n=580 and p(p-hat) = 0.83, find the margin of error at a 95% confidence level.

Answer 1

margin of error (ME) = z-critical * sqrt(phat * (1-phat)/n),

where z-critical = 1.96 for 95% confidence level

and phat = 0.83 as given.

plug in values and compute