Question

What is the margin of error for a yes/no survey of 200 people with a proportion of 65% who answered "yes"?
A. ±3.37%
B. ±5.06%
C. ±6.75%D. ±8.43%
E. ±10.12%
*please help*

Answer 1

sqrt(pq/n)

Answer 2

\[\sqrt{\frac{.65(1-.65)}{200}}\]
\[\sqrt{\frac{.65(.35)}{200}}\]

Answer 3

thanks

Answer 4

youre welcome, its one of the formulas that i do tend to remember :)